2012 JEEP GRAND CHEROKEE ECU

Jack Location
• The scissor-type jack and tire changing tools are located in rear cargoarea, below the load floor.
Spare Tire Stowage
• The spare tire is stowed under the load floor in the rear cargo area and issecured to the body with a special wing nut.
WHAT TO DO IN EMERGENCIES
103

6. Raise the vehicle by turning thejack screw clockwise. Raise the
vehicle only until the tire just
clears the surface and enough
clearance is obtained to install
the spare tire. Minimum tire lift
provides maximum stability.
7. Remove the lug nuts and wheel.
8. Position the spare wheel/tire on the vehicle and install the lug
nuts with the cone-shaped end
toward the wheel. Lightly tighten
the nuts.
9. Lower the vehicle by turning the jack screw counterclockwise, and
remove the jack and wheel
blocks.
10. Finish tightening the lug nuts. Push down on the wrench while
at the end of the handle for
increased leverage. Tighten the
lug nuts in a star pattern until
each nut has been tightened
twice. The correct wheel nut
tightness is 110 ft lbs (150 N·m).
If in doubt about the correct
tightness, have them checked
with a torque wrench by your
authorized dealer or at a service
station.
11. Lower the jack to the fully closed position and return it and the tools to the proper positions in the foam tray.
12. Remove the small center cap and securely store the road wheel in the cargo area.
13. Have the aluminum road wheeland tire repaired as soon as
possible, properly secure the
spare tire with the special wing
nut torqued to 3.7 ft-lbs (5 N·m),
reinstall the jack and tool kit
foam tray, and latch the rear load
floor cover.
WHAT TO DO IN EMERGENCIES
106

WARNING!(Continued)
• Do not let anyone sit in the vehicle when it is on a jack.
• Do not get under the vehicle when it is on a jack.
• Only use the jack in the positions indicated and for lifting thisvehicle during a tire change.
• If working on or near a roadway, be extremely careful of motor traffic.
• To assure that spare tires, flat or inflated, are securely stowed, spares must be stowed with the valve stem facing the ground.
• Carefully follow these tire changing warnings to help prevent personal injury or damage to your vehicle:
• Raising the vehicle higher than necessary can make the vehicle less stable. It could slip off the jack and hurt someone near it. Raise the
vehicle only enough to remove the tire.
• To avoid the risk of forcing the vehicle off the jack, do not tighten the wheel nuts fully until the vehicle has been lowered. Failure to
follow this warning may result in personal injury.
• A loose tire or jack, thrown forward in a collision or hard stop could endanger the occupants of the vehicle. Always stow the jack parts
and the spare tire in the places provided. Have the deflated (flat)
tire repaired or replaced immediately.
BATTERY LOCATION
• The battery in your vehicle is located under the passenger's front seat. Remote battery posts are located on the right side of the engine
compartment for jump-starting.
JUMP-STARTING
• If your vehicle has a discharged battery it can be jump-started using aset of jumper cables and a battery in another vehicle or by using a
portable battery booster pack.
• Jump-starting can be dangerous if done improperly so please follow the procedures in this section carefully.
NOTE: When using a portable battery booster pack follow the
manufacturer’s operating instructions and precautions.
WHAT TO DO IN EMERGENCIES
108

NOTE:A street address is required when ordering manuals (no P.O. Boxes).
NOTE:
• The Owner's Manual and User Guide electronic files are also available on the Chrysler, Jeep, Ram Truck and Dodge websites.
• Click on the "For Owners" tab, select "Owner/Service Manuals", then select your desired model year and vehicle from the drop-down lists.
REPORTING SAFETY DEFECTS IN THE 50 UNITED
STATES AND WASHINGTON, D.C.
• If you believe that your vehicle has a defect that could cause a collisionor cause injury or death, you should immediately inform the National
Highway Traffic Safety Administration (NHTSA) in addition to notifying
the manufacturer.
• If NHTSA receives similar complaints, it may open an investigation, and if it finds that a safety defect exists in a group of vehicles, it may order a
recall and remedy campaign. H owever, NHTSAcannot become involved
in individual problems between you, your authorized dealer, and the
manufacturer.
• To contact NHTSA, you may either call the Auto Safety Hotline toll free at 1–888–327–4236 (TTY: 1–800–424– 9153), or go to http://
www.safercar.gov; or write to: Administrator, NHTSA, 1200 New Jersey
Avenue, SE., West Building, Washington, D.C. 20590. You can also obtain
other information about motor vehicle safety from
http://www.safercar.gov.
In Canada
• If you believe that your vehicle has a safety defect, you should contactthe Customer Service Department immediately. Canadian customers who
wish to report a safety defect to the Canadian government should
contact Transport Canada, Motor Vehicle Defect Investigations and
Recalls at 1-800-333-0510 or go to http://www.tc.gc.ca/roadsafety/
• French Canadian customers who wish to report a safety defect to the Canadian government should contact Transport Canada, Motor Vehicle
Defect Investigations and Recalls at 1-800-333-0510 or go to
http://www.tc.gc.ca/securiteroutiere/
CONSUMER ASSISTANCE
133

Adaptive Cruise Control (ACC)
(CruiseControl) ...........31
AirConditioning .........35,36
Air Suspension............86
Airbag ..................17
AirbagLight .............100
Alarm,Panic ..............10
Anti-Lock Brake System
(ABS) ..................99
Arming Theft System (Security
Alarm) .................16
Audio Settings . . 44,45,46,48,51,60
Automatic Dimming Mirror . . . . 30
Automatic Headlights .......28
Automatic Temperature Control
(ATC) ..................35
Automatic Transmission Autostick ..............93
FluidType .............119
Autostick ...............93
Auxiliary Audio/Video
Input Jacks ..............77
AxleFluid ............119,120
Axle Lubrication (Axle Fluid) . . 120
Back-Up Camera ...........36
Battery Charging System Light .....99
Belts, Seat ...............16
Blind Spot Monitoring . . . ....37
BrakeFluid ............119,120
Brake System WarningLight ...........98
Break-In Recommendations,
NewVehicle ..............27
Bulb Replacement ..........131
Button, Start/Stop Removal . . 10,14
Calibration, Compass ........78
Change Oil Indicator . . . . . . . 100
Changing A Flat Tire ........102
Charging System Light .......99
Check Engine Light (Malfunction
IndicatorLight) ...........99
ChildRestraint ............18
Child Restraint Tether Anchors . . 18
ClimateControl ...........35
Clock Setting .......44,46,49,57 Command View Skylights
.....39
Compass Calibration . . . . . . . . 78
Cooling System Coolant Capacity . . . . . ....119
Cruise Control (Speed
Control) ................30
CruiseLight ..............30
Customer Assistance . . . . . . . 132
Defects, Reporting . . . . . . . . . 133
Defroster, Rear Window . . . . . . 35
Defroster, Windshield . . . . . . . . 35
Dimmer Control . . . . . . . ....28
Dimmer Switch, Headlight . . . . . 28
Disarming, Theft System . . . . . . 16
E-85 Fuel . . . . . . . . . . . . . . . 120
ECO ...................78
Electronic Range Select (ERS) . . 34
Electronic Speed Control (Cruise
Control) ................30
Electronic Stability Control
(ESC) . . . . . . . . . . . . . . . . . . 99
Electronic Throttle Control Warning
Light ..................100
Electronic Vehicle Information
Center(EVIC).........78,79,95
Electronics Your Vehicle's Sound System . 42
Emergency Key . . . . . . . . . . . . 10
Emergency, In Case of Jacking . . . . . . . . . . . . . . . 102
Overheating . . . . . . . . . . . . 101
Engine Break-In Recommendations . . 27
Compartment . . . . . . . ....116
Coolant (Antifreeze) . . . . . . . 119
Malfunction Indicator (Check
Engine) . . . . . . . . . . . . . . . 99
Oil ..................119
OilFilter ...............119
OilSelection ............119
Overheating . . . . . . . . . . . . 101
Starting . . . . . . . . . . . . . . . 15
Stopping . . . . . . . . .......15
Event Data Recorder . . . . . . . . 113
ExteriorLights ............131
INDEX
135

Theft Alarm (Security Alarm) . . . 16
TheftSystemArming ........16
TheftSystemDisarming ......16
TiltSteeringColumn ........26
TiresAirPressure ............129
Changing .............102
Jacking ...............102
Pressure Warning Light . . . . . 97
Spare Tire .............103
Tow Hooks, Emergency .......111
Tow/Haul ...............90
Towing .................89 24-Hour Towing Assistance . . 97
DisabledVehicle .........112
Recreational ............90
Towing Vehicle Behind a
Motorhome ..............90
Trailer Towing Trailer and Tongue Weight . . . 89
TrailerWeight ............89
Transfer Case Fluid ..............119,120
Transmission Fluid .................119 Turn Signals . . . .
..........29
Uconnect™ Phone . . . . . . . . . . 71
Uconnect™ Voice Command . . . 74
Ventilated Seats . . . . . . . ....24
Video Entertainment System™
(Rear Seat Video System) . . . . . 76
Voice Commands . . . . . . . . . . 74
WarningLights ............97
Warning,RollOver ..........4
Washer Rear .................30
Washers, Windshield . . . . . . . . 29
Wheel and Wheel Trim Care . . . 130
WindBuffeting ............41
Windshield Washers . . . . . . . . 29
Windshield Wipers . . . . . . . . . 29
Wiper,Rear ..............30
Wipers, Intermittent . . . . . . . . 29
Wipers, Rain Sensitive . . . . . . . 29
INDEX
138