2012 JEEP GRAND CHEROKEE temperature

MAINTENANCE SCHEDULE
The Scheduled Maintenance services listed in this
manual must be done at the times or mileages specified
to protect your vehicle warranty and ensure the best
vehicle performance and reliability. More frequent main-
tenance may be needed for vehicles in severe operating
conditions, such as dusty areas and very short trip
driving. Inspection and service should also be done
anytime a malfunction is suspected.
Your vehicle is equipped with an automatic oil change
indicator system. The oil change indicator system will
remind you that it is time to take your vehicle in for
scheduled maintenance.
On Electronic Vehicle Information Center (EVIC)
equipped vehicles, “Oil Change Required” will be dis-
played in the EVIC and a single chime will sound,
indicating that an oil change is necessary.On Non-EVIC equipped vehicles, “Change Oil” will flash
in the instrument cluster odometer and a single chime
will sound, indicating that an oil change is necessary.
Based on engine operation conditions, the oil change
indicator message will illuminate. This means that ser-
vice is required for your vehicle. Operating conditions
such as frequent short-trips, trailer tow, extremely hot or
cold ambient temperatures, and E85 fuel usage will
influence when the “Change Oil” message is displayed.
Depending on operating conditions, the message may
appear as early as 3,500 miles (5 630 km) since last reset.
Have your vehicle serviced as soon as possible, within
the next 500 miles (805 km).
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S628 MAINTENANCE SCHEDULES

Department Of Transportation Uniform Tire
Quality Grades ........................ 653
▫ Treadwear ......................... 653 ▫
Traction Grades ..................... 653
▫ Temperature Grades .................. 654
646 IF YOU NEED CONSUMER ASSISTANCE

Temperature Grades
The temperature grades are A (the highest), B, and C,
representing the tire’s resistance to the generation of heat
and its ability to dissipate heat, when tested under
controlled conditions on a specified indoor laboratory
test wheel. Sustained high temperature can cause the
material of the tire to degenerate and reduce tire life, and
excessive temperature can lead to sudden tire failure. The
grade C corresponds to a level of performance, which all
passenger car tires must meet under the Federal Motor
Vehicle Safety Standard No. 109. Grades B and A repre-
sent higher levels of performance on the laboratory test
wheel, than the minimum required by law.WARNING!
The temperature grade for this tire is established for
a tire that is properly inflated and not overloaded.
Excessive speed, under-inflation, or excessive load-
ing, either separately or in combination, can cause
heat buildup and possible tire failure.
654 IF YOU NEED CONSUMER ASSISTANCE

Adaptive Cruise Control (ACC) (Cruise Control) . . 201
Adding Fuel........................... 517
Additives, Fuel ......................... 512
Air Cleaner, Engine (Engine Air Cleaner Filter) . . . 582
Air Conditioner Maintenance ............... 585
Air Conditioning ........................ 394
Air Conditioning Controls ................. 394
Air Conditioning Refrigerant ............... 586
Air Conditioning System ................394,398
Air Conditioning, Operating Tips ............ 404
Air Filter .............................. 582
Air Pressure, Tires ....................... 488
Air Suspension ......................... 448
Airbag .............................. 66,75
Airbag Deployment ....................... 77
Airbag Light ..................... 74,79,96,285
Airbag Maintenance ....................... 78
Airbag, Side ........................ 70,72,75
Airbag, Window (Side Curtain) ...........70,72,75Alarm (Security Alarm)
.................20,293
Alarm, Panic ............................ 26
Alterations/Modifications, Vehicle ............. 9
Antenna, Satellite Radio ................... 350
Anti-Lock Brake System (ABS) .............. 464
Anti-Lock Warning Light .................. 292
Anti-Theft System ....................... 293
Antifreeze (Engine Coolant) ................ 622
Appearance Care ........................ 604
Assist, Hill Start ........................ 471
Assistance Towing ....................... 135
Auto Down Power Windows ................ 42
Automatic Dimming Mirror ................ 107
Automatic Door Locks ..................... 35
Automatic Headlights .................... 181
Automatic Temperature Control (ATC) ......... 398
Automatic Transmission .............421,429,601
Adding Fluid ....................... 604
Fluid and Filter Changes ............... 601
656 INDEX

Oil Selection..................... 580,622
Oil Synthetic ........................ 581
Overheating ........................ 548
Starting ........................... 413
Temperature Gauge ................... 294
Engine Oil Viscosity ...................... 581
Engine Oil Viscosity Chart ................. 581
Enhanced Accident Response Feature .......... 76
Entry System, Illuminated .................. 23
Ethanol ............................... 510
Event Data Recorder ...................... 80
Exhaust Gas Caution ................. 48,95,513
Exhaust System ....................... 95,589
Exterior Finish Care ...................... 605
Exterior Lights .......................... 98
Filters Air Cleaner ......................... 582
Engine Oil ......................... 582 Engine Oil Disposal
................... 582
Finish Care ............................ 605
Flashers .............................. 548
Hazard Warning ..................... 548
Turn Signal ................. 98,287,618,620
Flexible Fuel Vehicles Cruising Range ...................... 517
Engine Oil ......................... 516
Fuel Requirements ................. 513,515
Maintenance ........................ 517
Replacement Parts .................... 517
Starting ........................... 516
Flipper Glass, Liftgate ..................... 45
Flooded Engine Starting ................... 417
Fluid Capacities ......................... 622
Fluid Leaks ............................. 98
Fluid Level Checks Automatic Transmission ..........601,602,603
Brake ............................. 598
10
INDEX 661

Gasoline, Clean Air...................... 510
Gasoline, Reformulated ................... 510
Gauges Coolant Temperature .................. 294
Fuel .............................. 293
Speedometer ........................ 292
Tachometer ......................... 285
Gear Ranges ........................ 422,430
Gear Select Lever Override ................. 565
General Information ............20,29,151,222,508
Glass Cleaning .......................... 609
Gross Axle Weight Rating ...............521,524
Gross Vehicle Weight Rating .............521,523
GVWR ............................... 521
Hands-Free Phone (Uconnect™) ............. 121
Hazard Warning Flasher ................... 548
Headlights ............................ 617
Bulb Replacement .................... 618 Cleaning
........................... 608
On With Wipers ..................... 181
Replacing .......................... 618
Heated Mirrors ......................... 111
Heater ............................... 394
Heater, Engine Block ..................... 418
High Beam Indicator ..................... 287
Hill Descent Control ..................... 474
Hill Descent Control Indicator ............... 287
Hill Start Assist ......................... 471
Hitches Trailer Towing ....................... 528
Holder, Cup ........................... 264
HomeLink® (Garage Door Opener) Transmitter . . 242
Hood Release .......................... 178
Ignition ............................... 16
Key ............................. 14,16
Ignition Key Removal ..................... 16
10
INDEX 663

Supplemental Restraint System - Airbag........ 66
Suspension, Air ......................... 448
Sway Control, Trailer ..................... 470
Synthetic Engine Oil ...................... 581
System, Remote Starting .................... 29
Tachometer ............................ 285
Telescoping Steering Column .............194,195
Temperature Control, Automatic (ATC) ........ 398
Temperature Gauge, Engine Coolant .......... 294
Tether Anchor, Child Restraint ............... 85
Text Messaging ......................... 143
Tie Down Hooks, Cargo ................... 273
Tilt Steering Column ................... 194,195
Tire and Loading Information Placard ......... 483
Tire Identification Number (TIN) ............. 481
Tire Markings .......................... 477
Tire Safety Information .................... 477 Tires ............................
98,487,653
Air Pressure ........................ 488
Chains ............................ 496
Changing .......................... 549
Compact Spare ...................... 491
General Information .................. 487
High Speed ......................... 490
Inflation Pressures .................... 488
Jacking ............................ 549
Life of Tires ........................ 494
Load Capacity .................... 483,484
Pressure Monitor System (TPMS) ......... 499
Pressure Warning Light ................ 288
Quality Grading ..................... 653
Radial ............................ 490
Replacement ........................ 495
Rotation ........................... 498
Safety ............................. 477
Sizes ............................. 479
672 INDEX