Jeep WK2 Grand Cherokee Technology Glossary

By Jeep Experts

Welcome to the jeepExperts.com in-depth web page on the WK2 Jeep Grand Cherokee expertise glossary. Did we miss something? get in contact with us and tell us!

3.6-liter Pentastar® V-6
The new 3.6-liter V-6 engine, a part of Chrysler’s $3.6 billion powertrain offensive, is launched for the primary time within the all-new 2011 Jeep Grand Cherokee. The extra gasoline environment friendly V-6 engine options 11 p.c improved gasoline economic system, 33 p.c improved horsepower, 11 p.c improved torque. Environmental-friendly design: lead-free engine, recyclable oil filter aspect with no-spill detachable function. The 3.6-liter V-6 engine design incorporates a double-overhead cam (DOHC) and high-flow consumption and exhaust ports, which together with VVT by way of twin impartial cam phasing, permits optimum volumetric and combustion effectivity over the total velocity and cargo vary. This ends in an distinctive, flat torque curve together with excessive particular energy. The engine’s torque exceeds 90 p.c of its peak worth from 1,600 to six,400 rpm, which supplies prospects with excellent drivability and responsiveness. The all-new 3.6-liter V-6 engine will ship 280 horsepower (209 kW) at 6,400 rpm and 260 lb.-ft. (353 N-m) of torque at 4,800 rpm, a rise of 33 p.c in horsepower and 11 p.c in torque over its predecessor, whereas offering prospects as much as an 11 p.c enchancment in gasoline economic system.

5.7-liter HEMI® V-8 gen II
The all-new 5.7-liter HEMI® V-8 engine gives higher gasoline economic system, improved idle high quality and total refinement, together with extra horsepower and torque. In addition to Variable Valve Timing (VVT) and expanded Multi-displacement System (MDS) working vary, the HEMI’s gasoline economic system and efficiency enhancements end result from elevated compression ratio, an energetic consumption manifold with lengthy runners for low-end torque and quick runners for high-rpm energy, improved cylinder-head port stream effectivity, and lowered restriction exhaust and induction programs. Numerous different {hardware} upgrades have been applied to construct on the standard, reliability and sturdiness status of the HEMI® engine. These embody crankshaft structural upgrades, a dual-mass crankshaft damper, floating pin piston design, valve spring design and oil pump capability enhance for VVT.

Active head restraints
Actively transfer ahead and upward in a rear-end collision, lowering the diploma of head motion, reducing the possibility of harm.

Adaptive Cruise Control
Automatically decreases the automobile’s preset cruise management velocity when approaching a automobile and mechanically accelerates to the preset cruise management velocity when the circumstances allow.

Air Dam
A spoiler beneath the entrance bumper that reduces aerodynamic raise, turbulence and drag by diverting airflow round, somewhat than below, the automobile. It may be used to enhance airflow by means of the radiator and/or air-con condenser.

Antisway Bar
Helps cut back lean by resisting any unequal vertical movement between wheels on the identical axle.

Axle Ratio
The relationship between driveshaft revolutions and axle revolutions. Usually expressed as 3 .0:1 (learn “three level zero to 1”) which means 3 .0 driveshaft revolutions to every revolution of the axle. The determine is obtained by dividing the variety of enamel on the ring gear by the variety of enamel on the pinion gear within the differential. A low numerical axle ratio (instance: 3 .07:1) is called a “quick/excessive” ratio, as a result of street velocity is comparatively quick for any given engine velocity. The traits of this ratio are decrease engine velocity, discount in efficiency skill (energy), and fewer engine revolutions per mile, thus bettering gasoline economic system. A excessive numerical axle ratio (instance: 4.10:1) is called a “gradual/ low” ratio, as a result of the street velocity is slower relative to engine velocity. The results embody raised engine velocity, elevated efficiency skill (energy), elevated engine revolutions per mile and elevated gasoline consumption.

Belt Alert
Enhanced seat-belt reminder system. If a automobile is pushed with out the driving force or entrance passenger being correctly belted, the system will periodically activate a chime and illuminate a lamp within the instrument cluster to remind the driving force to buckle up. The lamp will keep lit within the instrument panel till the driving force or passenger bucklesup. The driver ought to then instruct all occupants to buckle up as properly.

Blind-Spot Monitoring (BSM) and Rear Cross Path (RCP) Detection
Alerts drivers of automobiles in blind spots with illuminated icons on the side-view mirrors and with an non-compulsory audible chime.

Body-on-Frame Construction
A kind of auto building wherein the physique construction is connected to a separate body.

Brake Assist System
Tests have proven that the majority drivers fail to use the brake pedal vigorously sufficient throughout an emergency scenario, and the Brake Assist System was designed to intervene if the driving force reacts rapidly however hesitantly when braking. The system acknowledges conditions wherein emergency braking is known as for and mechanically will increase braking stress to its most. The system laptop compares such elements as pedal journey, velocity of pedal journey and street velocity with different saved values to find out if an emergency scenario exists.

Breakover Angle
The diploma of slope which defines the most important ramp or hill {that a} automobile can journey over with out scraping towards the body or underbody parts.

Caliper
An integral a part of the disc brake meeting that holds the brake pad. When the brakes are utilized, the caliper’s pistons push the brake pad towards the rotor, slowing or stopping the automobile.

Catalytic Converter
An emissions-control gadget within the exhaust system that comprises platinum or palladium as a catalyst for the chemical response of unburned hydrocarbons and carbon monoxide. It converts them into water vapor, carbon dioxide and different innocent gases.

Child Seat Anchor System
All Chrysler automobiles function decrease anchors and higher tether anchors for suitable youngster seats. An higher tether with a metallic clip,

Coil-on-Plug Ignition System
Includes particular person coils linked immediately to every spark plug. The coils present extra vitality below regular working circumstances, eliminating the weak hyperlink in earlier ignition programs – ignition cables. Since polarity is fixed, these outcomes cut back electrode erosion and lengthen spark plug life.

Common-Rail Diesel (CRD)
A diesel engine with a gasoline injection system using a typical stress accumulator, referred to as the rail, which is mounted alongside the engine. The rail is fed by a high-pressure gasoline pump. In the common-rail injection system, the injection stress is impartial from engine velocity and cargo. Therefore, the injection parameters may be freely managed. Usually a pilot injection is launched, which permits for reductions in engine noise and emissions. This superior system additionally contributes to elevated energy and torque.

Compression Ratio
The quantity of the combustion chamber and cylinder when the piston is on the backside of its stroke, divided by the quantity of the combustion chamber when the piston is on the high of its stroke. The greater the ratio, the extra vitality that’s developed from the air/gasoline combination.

Controller Area Network (CAN)
Electrical structure system that maintains open communication designed to hyperlink in-vehicle programs. CAN is the in-vehicle community for the engine administration, the physique electronics resembling door and roof management, air-con, lighting, and leisure management. It simplifies the coordination of a number of digital features.

Cubic Inch Displacement (CID)
A measurement of engine dimension. In this case, displacement is the same as the whole variety of cubic inches the pistons displace as they transfer from backside useless middle to high useless middle inside the engine. Displacement can be measured in liters (L).

Curb Weight (CW)
The weight of an empty automobile with out cargo or occupants, together with gasoline, coolant, oil and all normal and non-compulsory gear.

Dead Pedal
A footrest discovered to the left of the leftmost pedal. It supplies a spot for the driving force to brace his/her left leg throughout laborious cornering

Departure Angle
The diploma of slope a automobile can depart from with out scraping the bottom or damaging any rear-end parts.

Dieseling
Often known as “run-on” in a gasoline engine, it happens when the ignition is turned off however the engine continues to run. It’s brought on by extreme quantities of gasoline within the cylinders, coupled with scorching glowing carbon deposits within the combustion chamber that act as glow plugs; the mix produces a quasi-diesel engine. It can be brought on by excessive manifold pressures (on a usually aspirated engine) mixed with excessively retarded ignition timing.

Differential
A system of gears positioned within the middle axle housing between the driving wheels. Its function is to transmit engine torque to each driving wheels, whether or not the automobile is touring straight or turning a nook. This gearing permits every wheel to rotate at totally different speeds (as required when turning a nook), however maintains equal torque on every wheel to realize the specified ahead or rearward motion. Fourwheel- drive automobiles have a differential at each entrance and rear axles.

Disc Brakes
Hydraulically actuated calipers power pads towards the perimeters of a rotor to create friction, resulting in automobile braking. This motion is much like the best way you’ll cease a spinning bicycle tire together with your thumb and forefinger. Some automobiles have entrance disc/rear drum preparations, though most fashions are actually outfitted with four-wheel disc brakes. This system is usually thought to be superior to disc/drum brake functions as a consequence of its resistance to fade or discount of braking skill throughout repeated functions, resembling coming down a steep grade. The pads and rotor are higher uncovered to air cooling then an enclosed drum brake design.

Displacement
The complete quantity of an engine’s cylinders that’s “swept out” by the pistons. Displacement is often measured in cubic inches, cubic centimeters or liters. One liter or 1,000 cubic.

Drag Coefficient (Cd)
One measure of a automobile’s effectivity as an aerodynamic form. Drag coefficient is a mathematical issue which, when multiplied by the projected sq. footage space of the automobile, offers its drag power in kilos. The decrease the quantity, the higher the aerodynamic effectivity. Drag Coefficient (Cd) = (Drag Force ÷ Dynamic Pressure) x Frontal Area.

Drivability
The normal qualitative analysis of a powertrain’s working qualities, together with idle smoothness, cold and warm beginning, throttle response, energy supply and tolerance for altitude modifications.

Driveshaft
Shaft connecting the transmission output shaft to the differential drive pinion shaft. Four-wheel-drive automobiles add a second driveshaft from the switch case to the entrance differential. Also generally known as a propeller shaft.

Drivetrain
Vehicle parts that drive the automobile and switch energy. Includes the engine, clutch, torque converter, transmission, switch case, common joints, driveshafts, differential gears and axle shafts. (Note: The clutch and torque converter are a part of the transmission).

“ECO” Indicator
Eco Indicator lets drivers of 5.7-liter HEMI®-powered automobiles know when they’re in four-cylinder mode, permitting them to change their driving habits for improved gasoline effectivity. For 2010, this function has been expanded to incorporate extra powertrain programs, serving to prospects save gasoline by avoiding fast begins, sustaining regular speeds and decelerating easily. The function is included as a part of the Electronic Vehicle Information Center (EVIC).

Electronic Fuel Injection (EFI)
A system which introduces gasoline at every cylinder’s consumption port by means of particular person injectors instead of a central typical carburetor. EFI exactly controls the quantities of gasoline used and improves the dispersion of gasoline within the air cost.

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Electronic Limited-Slip Differential (ELSD)
An ELSD within the entrance and rear axles is simply accessible with theQuadra-Drive II® energetic fourwheel- drive system (with the NV245 switch case). In an ELSD, every axle contains an electronically managed moist clutch pack differential. This system is made up of a hydraulic pump, piston and electronically managed solenoid valve that controls stress. The hydraulic pump makes use of the axle fluid as its hydraulic fluid. The pump case is splined to the differential service, and the pump rotor is splined to an axle shaft. In this fashion, axle shaft velocity distinction is required to show the pump and construct stress. Pressure is managed by the solenoid valve and is utilized to the piston as wanted. The piston acts on the moist clutch to create torque and eradicate slip. The Final Drive Control Module prompts the clutch packs to ship torque to the wheel with essentially the most traction. When the antilock brake system is activated, the Final Drive Control Module stops sending present to the differential solenoid, and the stress will bleed off contained in the clutch pack, unlocking the clutch. ELSDs can quickly switch torque to the wheel with essentially the most traction, producing twice as a lot torque within the rear axle and 4 instances as a lot within the entrance axle, in comparison with Vari-Lok® progressive axles.

Electronic Range Select (ERS)
Electronic Range Select (ERS) driver-interactive shift management is normal with both the 545RFE, WA580 or W5J400 transmissions. Moving the shifter left and proper when the shifter is within the Drive place permits the choice of the specified high gear. ERS permits the driving force to pick the highest gear, offering extra management.

Electronic Roll Mitigation (ERM)
ERM is an added vehiclestability measure of Electronic Stability Program* (ESP), on choose fashions, designed to assist preserve automobile stability throughout an emergency maneuver or accidentavoidance scenario. While ESP aids the driving force in sustaining automobile stability, inside the limits of traction, to maintain the automobile on track, Electronic Roll Mitigation (ERM) makes an attempt to find out when a automobile is able to roll, then applies a entrance brake to scale back the probability of such an prevalence. ERM is not going to support automobile stability in “journey” conditions, resembling when the automobile strikes a curb or one other object.

Electronic Stability Program (ESP)
This system aids the driving force in sustaining automobile directional stability. ESP will do no matter may be completed, inside the limits of obtainable traction, to maintain a automobile on track. ESP takes the capabilities of ABS and all-speed traction management to a brand new stage of auto stability. The system’s sensors detect oversteer or “fishtailing,” which happens when the rear wheels of a automobile swing too large throughout a flip, inflicting a automobile to go off the driving force’s supposed path. The system’s sensors detect understeer too – often known as “plowing.” It happens when a automobile is responding too slowly to steering modifications in a flip, inflicting the entrance finish to slip out. ESP makes use of digital sensors to find out if there’s a distinction between the automobile’s precise path and the driving force’s supposed path. The steering wheel sensor displays the driving force’s intent. To measure the automobile’s precise path, ESP makes use of wheelspeed sensors, a lateral acceleration sensor and a yaw sensor. With this knowledge, ESP selectively applies brakes and reduces engine energy even earlier than the driving force senses there’s a downside.

Electronic Throttle Control (ETC)
A way more refined system than conventional injection management, ETC responds by means of mechanical analog gadgets to find out the quantity of gasoline to inject in addition to injection timing, enhancing responsiveness and lowering emissions. It makes use of a DC motor with discount gears to open and shut the throttle, controlling all airflow into the engine. There isn’t any bodily connection between the pedal and the throttle. The engine management laptop interprets accelerator pedal actions and interprets them into throttle positions.

Electronic Vehicle Information Center (EVIC)
Programmable module with a reconfigurable show that exhibits all journey info screens and may embody such options as: compass/exterior temperature, common and present gasoline economic system, estimated distance to empty, elapsed journey time, miles to subsequent service, or a clean display screen. It additionally has a secondary journey odometer and shows warning screens, automobile personalization screens and a customized menu. In many automobiles, the EVIC additionally shows Tire Pressure Monitoring System warnings.

Engine Block Heater
An electrical heating aspect, powered by an exterior 110- volt provide, immersed within the coolant within the engine block, or immediately into the engine block, to facilitate simpler winter beginning at low ambient temperatures.

Engine Braking
A approach of slowing the automobile when taking place a grade by shifting to a decrease gear andusing the compression resistance of the engine to assist gradual the automobile.

Enhanced Accident Response System
In the occasion of an impression that causes air bag deployment, an Enhanced Accident Response System switches on the inside lamps and unlocks the door after the automobile has stopped. This helps emergency personnel render acceptable help. The lamps stay on so long as the battery has energy or till the ignition key’s eliminated.

Final Drive Ratio
The ratio between the engine rpm and the drive-wheel axle shaft rpm. It is decided by the ring-and-pinion gear contained in the differential. For instance, if the ratio is 4.00:1, the driveshaft rotates 4 instances for every rotation of the rearaxle differential gear, the axle shafts and the wheels. A automobile’s acceleration and gasoline economic system may be altered by the ultimate drive ratio.

Flex Fuel Vehicle (FFV)
A automobile that’s designed to function on unleaded gasoline or a mix of unleaded gasoline and ethanol (alcohol), as much as a most of 85 p.c ethanol (E85). E85 gives efficiency and environmental advantages. When ethanol is mixed into E85 (85 p.c ethanol with 15 p.c gasoline), the result’s a 100+ octane score with an approximate 5 to 7 p.c enhance in engine horsepower in some automobiles. E85 comprises fewer toxins than are present in unleaded gasoline and supplies an estimated 35 p.c discount within the exhaust emissions. However, E85 is about 30 p.c much less environment friendly than gasoline. As a end result, extra ethanol than gasoline is required to journey an equal distance.

Forward Collision Warning
Detects whether or not the automobile is approaching one other automobile or giant impediment too quickly. It alerts the driving force by way of the EVIC show and an audible chime (if enabled by the driving force) to take motion to forestall a collision.

Four-Wheel Drive
A drivetrain that makes use of a switch case to distribute engine energy between the entrance and rear axles with the intention to drive all 4 wheels. Full-time four-wheel-drive programs make the most of a middle differential, which permits the entrance and rear driveshafts to show at totally different speeds, thereby allowingengagement on dry pavement for regular driving circumstances. An element-time system doesn’t make use of a middle differential and, throughout regular driving circumstances, should function solely in two-wheel drive. With a parttime system, the four-wheeldrive mode is for use solely when off-road or on moist or slippery surfaces.

Fuel Injection
A kind of gasoline system utilizing a pump and injectors, as an alternative of a carburetor, to meter gasoline. There are two principal sorts of gasoline injection: direct cylinder injection, which sprays the gasoline proper into the combustion chamber, and multipoint injection, which places the gasoline cost into the consumption passage someplace upstream of the consumption valve. Fuel supply may be managed mechanically or electronically, and gasoline stress may be both pulsed, steady or a mix of the 2. Pulsed injection exactly controls the size of time the gasoline is sprayed, whereas steady injection makes no try at timed injections, however somewhat regulates the amount of regular stream.

Fuel Saver Mode Display
Lets drivers of HEMI-powered automobiles know when they’re in fourcylinder mode, permitting them to change their driving habits for improved gasoline effectivity. Included as a part of the Electronic Vehicle Information Center.

Gear Ratio
The variety of revolutions of a driving gear required to show a pushed gear by means of one full revolution. For a pair of gears, the ratio is discovered by dividing the variety of enamel on the pushed gear by the variety of enamel on the driving gear. A gear with 45 enamel pushed by a gear with 15 enamel would supply a ratio of three.0:1 (learn “three level zero to 1”). A gear with 15 enamel pushed by a gear with 45 enamel would supply a ratio of 1.0:3.

Gross Vehicle Weight (GVW)
The complete weight of a automobile with cargo (together with camper physique), driver, passengers, gasoline, fluids and normal and non-compulsory gear.

Halogen Headlamps
Headlamps with halogen gas-filled bulbs that produce extra lighting energy per watt of electrical energy than typical bulbs.

Heater, Ventilation and Air Conditioning (HVAC) System
The local weather management system of a automobile. The HVAC is designed to offer a snug local weather for all passengers and good visibility by means of the home windows and windshield, thereby lowering driver stress and fatigue.

HEMI® Engine
The 5.7L HEMI V8 engine contains the next options: Aluminum cylinder heads with hemispherical combustion chambers and pushrod-operated, splayed valves for top airflow. A excessive compression ratio for energy and economic system. Electronic throttle management system. Integrated Air-Fuel Module incorporating the consumption manifold and 14 different parts. Two spark plugs per cylinder fired by a distributorless ignition system with high-power coils to make sure constant, full combustion. A completely balanced, solid, nodular iron crankshaft operating in cross-bolted principal bearing caps to scale back deflection and vibration. SRT8 fashions additionally obtain a HEMI engine. Increased to six.1L, this high-performance variant incorporates many extra race-proven enhancements.

High Intensity Discharge (HID)
High Intensity Discharge (HID) low-beam headlamps present roughly 21/2 instances the sunshine output of typical reflector lamps for even higher nighttime illumination. Their mild seems bluish in comparison with typical lamps, however their spectrum is nearer to that of daylight than halogen or incandescent bulbs to additional enhance nighttime visibility and have a considerably longer lifetime than halogen bulbs.

Hill Descent Control
Allows a easy and managed hill descent on tough or slippery terrain with out the driving force needing to the touch the brake pedal. This system applies the brakes to every wheel individually when wanted to scale back ahead movement whereas negotiating down steep grades.

Hill Start Assist
Assists the driving force when beginning a automobile from a cease on a hill by sustaining the identical stage of brake stress the driving force utilized for a brief time frame after the foot has been faraway from the brake pedal. The system will launch the brake pedal in proportion to the quantity of throttle utilized. If the throttle isn’t utilized inside a brief time frame after the foot has been faraway from the brake pedal, Hill Start Assist will launch brake stress.

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Horsepower (hp)
A measure of the quantity of labor that may be completed in a sure period of time. One horsepower is the same as 550 lb-ft of labor per second, or the vitality wanted to raise 550 lb one foot off the bottom in a single second. The horsepower of an engine relies upon upon the torque and velocity of the engine. hp = (Torque x rpm) ÷ 5,252.

Independent Suspension
A suspension design that enables the linked or adjoining wheel to maneuver independently. An impartial suspension design is just a design wherein a wheel isn’t immediately linked to a different wheel on the automobile. Allowing a wheel to maneuver up and down independently over a bump means solely that wheel reacts – offering a smoother, extra secure experience.

iPod Interface
Allows an iPod to be plugged into the automobile’s sound system to play music by means of the automobile’s audio system, cost/recharge the iPod when the ignition is on, show artists and music decisions on the radio and pause play when the UConnect system receives a cellphone name. The iPod may be managed by means of the radio controls and the distant steering wheel switches (if outfitted). The system makes use of a Universal Customer Interface (UCI) connector positioned within the glove field. An non-compulsory connection cable is out there by means of Mopar.

Jeep® Truck Engine Controller (JTEC)
The newest model of the Powertrain Control Module (PCM) utilized in Jeep and Dodge truck fashions. JTEC exactly controls the gasoline injector pulses and ignition spark timing for peak engine energy and effectivity below all working circumstances: beginning, idling, acceleration, cruising and deceleration.

Knee Blocker
A portion of the decrease instrument panel that’s designed to soak up vitality within the occasion of a frontal collision, maximizing the air bag’s effectiveness and minimizing the possibilities of occupants sliding below the dashboard. A driver inflatable knee blocker acts like an air bag for the driving force’s knees and inflates when the driving force air bag is deployed.

Limited-Slip Differential
A tool within the differential that limits the velocity distinction between the 2 wheels. This prevents one wheel from spinning whereas the opposite is stationary and improves traction on slippery surfaces.

Locking Differential
A tool within the differential that eliminates the velocity variations between the 2 driveshafts or axle shafts. This ensures that every axle or wheel will obtain equal torque.

Lower Anchors and Tethers for Children (LATCH)
The LATCH system helps simplify the set up of a suitable aftermarket youngster seat with out utilizing the automobile’s seat belts. This system takes benefit of each the higher and decrease tether anchors to attenuate the motion of suitable youngster seats whereas maximizing correct set up by the customers.

Low-Risk Deployment Air Bags
These front-passenger air baggage use distinctive form, venting, folding patterns, superior inflators or a mix of those 4 applied sciences to place and inflate the restraint correctly for a belted passenger whereas additionally assembly federal security necessities for out-of-position, small occupants and rear-facing toddler seats. Even with these superior front-passenger air baggage, all occupants are suggested to at all times sit correctly of their seats with the seat belt mounted. Children 12 and youthful ought to at all times be seated in a again seat appropriately, utilizing an infant- or child-restraint system or having the seat belt positioned appropriately for his or her age and weight.

Manufacturer’s Suggested Retail Price (MSRP))
The steered full retail worth of a product as decided by the product’s producer.

Multi-Displacement System (MDS)
Deactivates 4 cylinders when the remaining 4 are sufficient to satisfy energy necessities. The engine operates on all eight cylinders for acceleration and heavy masses and 4 cylinders in metropolis visitors driving and for cruising, even at some interstate freeway speeds. The engine idles on eight cylinders for max smoothness. MDS operates between 1,000 and three,000 rpm. It will function in four-cylinder mode when the torque requirement is lower than 95 p.c of the utmost accessible from 4 cylinders. It supplies full-rated energy in V8 kind with an elevated gasoline economic system profit when working in fourcylinder mode, relying on driving habits and automobile utilization. It is built-in into the essential engine structure and is extra dependable than add-on programs. Deactivation and activation of the cylinder is clear to the driving force.

Multipoint Fuel Injection (MPI)
Fuel injectors are mounted immediately within the consumption manifold near the consumption ports of every cylinder. Improves gasoline distribution and engine respiratory for improved effectivity and lowered exhaust emissions.

MyGIG Multimedia Infotainment System
This multimedia infotainment system is a sound/navigation/ media system pushed by a 30 Gigabyte laborious disk drive (HDD). The HDD responds to each voice instructions and touch-screen enter to allow the consumer to handle information and function the system’s features. A 6.5-inch display screen shows navigation features and permits the consumer to view information, resembling photographs or DVDs, and use the system’s contact instructions. The features of the MyGIG system fall into three classes: Information, (e.g., turn-by-turn navigation and visitors alerts), Entertainment (e.g., CDs, DVDs, SIRIUS®, MP3 information), and Communications (e.g., hands-free calling and voice recorder for memos). To view a DVD on the pinnacle unit’s display screen within the entrance seat, the automobile should first be positioned in Park. The MyGIG voice command operate acknowledges and “learns” phrases in English, French, or Spanish for U.S. and Canada functions. Integrated Bluetooth® connectivity and the button to pick hands-free calling are actually positioned on the MyGIG. To use hands-free calling the consumer will need to have a Bluetooth enabled cellphone. While the MyGIG system has a mess of capabilities, its accessible features can be decided by the automobile’s gear. For instance, the MyGIG system has the potential of displaying the picture from a rear park help digital camera on its display screen; nevertheless, the automobile will need to have the mandatory gear (e.g., rear-mounted digital camera) for the operate to function.

Noise, Vibration and Harshness (NVH)
An trade time period related to vibration and audible sounds. Harshness often refers to transient frequencies or shock. The human ear can usually detect frequencies within the vary of 20 to twenty,000 Hz (Hertz, or cycles per second). Vibrations above and beneath this vary might not be detected by the human ear, however should require therapies for improved product per formance, longevity and buyer satisfaction.

Overdrive (OD)
It may be both an “further” gear (often fifth in a handbook gearbox) or an aftermarket unit that bolts on between the gearbox and the driveshaft. The function of overdrive is to scale back engine rpm at freeway speeds to acquire a rise in gasoline economic system, to scale back engine put on and to decrease transmission temperatures. In overdrive, the engine turns lower than one revolution for every revolution of the driveshaft. For instance: 0.75:1, wherein the driveshaft rotates as soon as for each 3/4 revolution of the engine.

ParkSense® Rear Park Assist System
This system dietary supplements the within and outdoors rearview mirrors, serving to the driving force decide if an impediment is within the rear path of the automobile when maneuvering in tight areas at parking speeds. When the driving force selects Reverse or Neutral, the system scans for objects behind the automobile, utilizing 4 ultrasonic sensors positioned within the rear fascia. Objects as shut as 10 inches and as distant as 59 inches may be detected. A warning show above the rear window supplies each seen and audible warnings indicating the proximity of most bigger, stationary objects that may be exterior the driving force’s line of sight.

ParkView® Rear Back-up Camera
ParkView Rear Back-up Camera shows a rearview video picture when the automobile is in Reverse. This function helps the driving force decide if an impediment is within the path of the automobile and provides higher rearward visibility when backing up. The ParkView Rear Back-up Camera, positioned on the rear of the automobile, permits drivers to see issues immediately behind the automobile and low to the bottom, an space that’s usually a blind spot. A coloration picture shows on a display screen in entrance of the driving force each time the transmission is positioned in Reverse. Shifting out of Reverse deactivates the system. The digital camera operates in all sorts of lighting conditions and desires no supplemental mild. The rear back-up digital camera advantages the driving force by serving to them see objects behind the automobile as they maneuver in Reverse.

Passive Entry
Unlocks the door while you contact the door deal with when you have the automobile’s matching key fob in your possession. Keyless Go will then let you push a button to begin the automobile with out having to insert the important thing into the ignition.

Power Adjustable Pedals
The horizontal place of the brake and accelerator pedals (and clutch pedal on Ram fashions) may be adjusted by the driving force. The pedals may be positioned in a approach that enables the driving force to take a seat a snug distance from the driving force’s air bag and nonetheless have full accessibility to the pedals.

Powertrain Control Module (PCM)
Precisely controls gasoline injector pulses and ignition spark timing for peak engine energy and effectivity through the use of digital sensor inputs from the engine, transmission and exhaust system.

Quadra-Drive Active Four-Wheel Drive
(information coming quickly)

Quadra-Trac I Four-Wheel Drive
(information coming quickly)

Quadra-Trac II Active Four-Wheel Drive
(information coming quickly)

Quadra-Lift
Air suspension system supplies top management and lifts the automobile as much as 4.1 inches from park mode to a finest]in]class most experience top of 10.7 inches.

Rain Brake Support
Rain Brake Support is at all times energetic when the windshield wipers are working in low or excessive settings. When energetic, the ABS pump periodically pushes the brake pads flippantly towards the brake rotors to assist preserve the rotors dry. By conserving the brake rotors drier in moist climate, this function helps to make sure that the brakes carry out at their peak stage of effectivity and effectiveness when a driver presses the brake pedal to cease the automobile. Rain Brake Support contributes to enhanced driving confidence by reassuring the driving force of optimum stopping energy and stable brake pedal really feel throughout moist street circumstances. Available beginning with mid-November 2010 manufacturing.

Rain-Sensing Wipers
This driver comfort function mechanically senses moisture on the windshield and prompts the wipers.

Ready Alert Braking
Anticipates conditions when the driving force could provoke an emergency brake cease and makes use of the ESC pump to set the brake pads towards the rotors, to lower the time required for full brake software. Available beginning with mid-November 2010 manufacturing.

Redline
The most really useful revolutions per minute for an engine. In automobiles outfitted with a tachometer, redline is often indicated by a pink space on the gauge.

Remote Start
Starts the automobile’s engine from as much as 300 toes away. If the automobile is supplied with Automatic Climate Control, it’s going to mechanically alter, offering defrost, warmth or air-con based mostly on the skin temperature. Control of the Remote Start system is built-in into the automobile’s distant keyless entry fob.

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Removable Flashlight
Mounts within the cargo space and snaps out of the bezel when obligatory. It is dual-purpose, functioning as a dome mild and as a detachable flashlight. Rotor
A flat disc that rotates with and is connected to a wheel in a disc brake system. During braking, pads are pressed towards the rotor by the calipers to gradual the automobile.

Run-Flat Tires
Also generally known as “Zero-Pressure” tires, run-flat tires enable the automobile to journey as much as 50 miles at 55 mph with no tire stress. Run-flat tires usually function a stiffer inner building that’s able to briefly carrying the burden of the automobile, even after the tire has misplaced all air stress. The tire building usually consists of rubber sandwiched between layers of heatresistant twine within the sidewall to assist forestall the tire sidewalls from folding over on themselves. Because run-flat tires are so good at masking the signs of air loss, they require a tire stress monitoring system to alert the driving force to the lack of stress.

Running Ground Clearance
The distance from the bottom to the bottom level between the axles in a automobile. It may be measured whereas the automobile is loaded or at curb weight.

Sentry Key® Antitheft Engine Immobilizer
This system contains the Sentry Key Immobilizer Module (SKIM) and two keys outfitted with a transponder (digital gadget) positioned inside the important thing head. If the SKIM acknowledges the sign from the important thing as legitimate when the ignition swap is turned on, it’s going to enable the engine to run. If the sign is acknowledged as invalid, the engine will begin, run for about two seconds, after which stall. After six consecutive unsuccessful engine begin makes an attempt, the engine controller will disable the engine starter and gasoline system. Additional encoded keys may be obtained by means of Chrysler, Dodge or Jeep® dealerships.

Sequential Multipoint Fuel Injection (SMPI)
A gasoline injection system that makes use of one gasoline injector per cylinder and injects gasoline into the consumption ports individually in a predetermined sequence so gasoline is delivered on the precise time it’s wanted.

Selec-Terrain
Allows the driving force to decide on the on- or off-road driving situation – Sand/Mud, Snow, Rocks, Auto and Sport – to realize the very best driving expertise on all terrains.

Serpentine Belt
A drive belt that mixes a Vribbed and flat-back belt and is designed to scale back the variety of belts wanted to drive the equipment. An automated tensioning gadget is often required.

SIRIUS Backseat TV
Chrysler Group is the primary and solely auto producer to supply SIRIUS Backseat TV in its 2008 mannequin yr automobile lineup. Backseat TV options three channels of revered kids’s TV that includes lots of the most well-known youngsters’ programming, together with Nickelodeon, Disney Channel and Cartoon Network. The system operates by way of an in-vehicle satellite tv for pc video receiver and two small roof-mounted antennas. Programming is displayed on the automobile’s second- and/or third-row video display screen, and channel identify, program title and score can be broadcast and displayed on the display screen. For added flexibility, rear-seat passengers can get pleasure from SIRIUS Backseat TV whereas frontseat occupants hearken to SIRIUS Satellite Radio. The system may be operated from both the rear-seat leisure unit or the radio head unit. In addition, when the automobile is in Park, programming may be displayed on the MyGIG display screen for front-seat viewing.

SIRIUS Travel Link
Available to offer drivers with up-to-the-minute details about gasoline costs, climate circumstances, sports activities scores and film listings. Available SIRIUS Traffic displays visitors any of 78 markets throughout the U.S. and repeatedly shows circumstances by means of the automobile’s navigation system.

Skid Plate
A sturdy metal plate mounted beneath the entrance suspension, switch case or gasoline tank of a automobile to guard these parts from obstacles more likely to be encountered in rugged nation (rocks, tree stumps, and so on.).

GoodBeamTM Intelligent Headlamp High-Beam Control System
This clever system mechanically supplies the utmost quantity of sunshine for nighttime driving circumstances. Under regular “handbook” high-beam operation, each the high and low beams are on at full depth. When the GoodBeam function is working, the low beams stay on at full depth, whereas the depth of the excessive beams varies from 25 to one hundred pc to offer the utmost quantity of sunshine for nighttime driving circumstances. A digital camera on the windshield measures the refraction of sunshine and density.

Speed-Sensitive Power Steering
A steering system that adjusts the quantity of energy steering help in response to automobile or engine velocity. At excessive speeds, help is at a minimal, offering crisp street really feel. At low speeds resembling parking, help is larger, so turning the steering wheel requires significantly much less effort.

Stabilizer Bar
Also (incorrectly) known as an antisway bar. It is a transverse bar linking each side (both entrance or rear) of the suspension, usually taking the type of a torsion bar, with rubber bushing mounts on the chassis that enable it to show freely. The bar’s principal operate is to scale back physique lean, however it has an affect on total dealing with traits as properly.

Stain-repel seat material
Offers three key advantages: repelling stains, controlling odor and lowering static electrical energy. Dual-action expertise repels and releases spills that might stain different auto materials. This expertise additionally permits the upholstery floor to dry rapidly. In addition, the seating material reduces static electrical energy generated when coming into or exiting the automobile.

Tip Start
With the introduction of Control Area Network BUS (CAN Bus), automobile features may be operated “by wire” or with none mechanical help. In many Chrysler Group automobiles, beginning the automobile is without doubt one of the operations that’s now laptop managed. The automobile’s Electronic Control Unit (ECU) accepts an enter from the important thing turning within the ignition to the “Start” place; numerous features are set into movement that may begin the engine with out the operator holding the important thing within the “Start” place. This is simply one of many features that profit from CANBus expertise.

Trailer Sway Control
Reduces trailer sway and improves dealing with in opposed towing circumstances brought on by crosswinds, visitors and improper weight distribution on the trailer. The system displays the automobile’s motion relative to the driving force’s supposed path, and the automobile yaw sensor acknowledges sway. TSC applies brake stress to 1 entrance wheel to counteract the yaw induced by the trailer and applies brake stress to all 4 wheels to gradual the automobile. As the trailer sways to the opposite facet of the automobile, TSC will enhance stress to the alternative facet of the automobile. The system will proceed to use alternating brake stress and cut back engine torque till the trailer is below management.

Transfer case MP-3010
Single-speed, Full-time AWD, 50/50 Torque Split Front/Rear (Optional with 3.6-liter engine)

Transfer case MP-3022
Two-speed, electronically shifted, 4×4 Low (Lock), Neutral; full-time energetic 4×4, Low Range Ratio 2.72, Variable Torque Split Front/Rear (Optional with the three.6 liter and 5.7-liter engines).

Uconnect Multimedia
Provides the pliability to play a wide range of media, together with CDs, DVDs, USB drives, MP3/WMA information in addition to SIRIUS® Satellite Radio and SIRIUS Backseat TV.

Uconnect Multimedia contains:

  • Media Center radios – 5 totally different radio choices, three with a 30-gigabyte laborious drive, USB enter for music and picture downloads. The Media Center is the hub of the automobile infotainment system
  • Audio programs – Sound programs together with audio system and amplifiers
  • Audio Jack – Standard enter permits MP3 gamers or different audio sources to be performed by means of the automobile’s audio system
  • Bluetooth Music Connection – Debuting on the all-new 2011 Jeep Grand Cherokee, permits streaming music from supported cell telephones (and future MP3 gamers) to be performed over the automobile’s sound system
  • iPod® Control – Full iPod integration with controls accessible by means of the media middle or steering wheel
  • iPod USB Control – Debuting on the 2011 Jeep Grand Cherokee, permits voice search by music title and artist for iPod gadgets
  • SIRIUS Satellite Radio – More than 130 channels of the very best music, leisure and data. Depending upon mannequin availability, SIRIUS Satellite Radio could also be operated from the rear-seat leisure unit or from the Media Center
  • Voice Command – Chrysler Group LLC’s hands-free voice recognition system. Most Media Center radio options are operable with Voice Command, which is normal with Uconnect Phone
  • Rear-seat leisure – DVD participant and a 9-inch video display screen with wi-fi headphones, inputs for gaming gadgets, and so on.
  • Dual-screen rear-seat leisure – DVD participant with two 9-inch video screens (one for every row) with wi-fi headphones, inputs for gaming gadgets, and so on.
  • SIRIUS Backseat TV – Streaming TV from Nickelodeon, Disney Channel and Cartoon Network Mobile (accessible with rear-seat leisure system)

Uconnect Navigation
Uconnect Navigation combines the options of Global Positioning System (GPS), factors of curiosity, SIRIUS Traffic and Voice Command. Chrysler Group LLC’s Voice Command and contact display screen enable simple operation. If the automobile is in movement, Voice Command will acknowledge greater than 100,000 phrases for inputting addresses. New for 2010, the combination of Garmin’s well-known navigation expertise into one among Chrysler’s media middle/head-unit choices. This gives prospects dependable, seamless use of what has turn out to be a obligatory expertise.

Uconnect Phone
Uses Bluetooth expertise and Chrysler Group LLC’s Voice Command to offer voice-controlled wi-fi communication between the occupants’ suitable cellphones and the automobile’s onboard receiver. The built-in Address Sync function mechanically downloads as many as 1,000 cellphone e-book entries from supported telephones, which might then be chosen by voice command. The system additionally acknowledges three languages and is able to studying phrases. Voice Command possibly used to handle onboard phone-book entries, choose radio stations and entry voice mail. Voice memos could also be recorded utilizing microphones which can be built-in inside the rearview mirror. Multiple memos of as much as 30 seconds every could also be saved within the system. The hands-free possibility promotes security, freedom, worth and suppleness. With hands-free cellphone operation by way of Bluetooth®, Voice Command permits customers to pick radio stations, select satellite tv for pc radio channels and enter navigation locations by voice recognition.

Uconnect Web
The system supplies high-speed knowledge switch and suppleness, combining WiFi and 3G mobile connectivity for a brand new stage of wi-fi expertise. The system transforms the automobile right into a “scorching spot” to ship the Internet on to the automobile for immediate entry to Web websites, e-mail, personalised music, on-line gaming, picture albums and extra. The Good Housekeeping Research Institute gave Uconnect Web a 2009 VIP (Very Innovative Product) Award.

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