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2008 Jeep Wrangler Owner's Manual - Page 327

2008 Jeep Wrangler Manual

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326 STARTING AND OPERATING Tread Wear Indicators Tread wear indicators are in the original equipment tires to help you in determining when your tires should be replaced. These indicators are molded into the bottom of the tread grooves and will appear as bands when the tread depth becomes 1/16 inch (2 mm). When the indicators appear in two or more adjacent grooves, the tire should be replaced. Many states have laws requiring tire replacement at this point. Life of Tire The service life of a tire is dependent upon varying factors including but not limited to: • Driving style • Tire pressure • Distance driven

Section	Page
INTRODUCTION	4
INTRODUCTION	5
ROLLOVER WARNING	6
HOW TO USE THIS MANUAL	7
WARNINGS AND CAUTIONS	9
VEHICLE IDENTIFICATION NUMBER	9
VEHICLE MODIFICATIONS/ALTERATIONS	9
THINGS TO KNOW BEFORE STARTING YOUR VEHICLE	10
A WORD ABOUT YOUR KEYS	13
Ignition Key Removal	13
Key-In-Ignition Reminder	15
STEERING WHEEL LOCK	15
To Manually Lock the Steering Wheel	15
To Release the Steering Wheel Lock	15
SENTRY KEY	15
Replacement Keys	17
Customer Key Programming	17
General Information	18
SECURITY ALARM SYSTEM - IF EQUIPPED	19
To Set the Alarm	19
To Disarm the System	19
ILLUMINATED ENTRY	20
REMOTE KEYLESS ENTRY - IF EQUIPPED	20
To Unlock the Doors and Swing Gate	21
To Lock the Doors and Swing Gate	21
Using The Panic Alarm	22
To Turn Off Flash Lights With Lock	22
Programming Additional Transmitters	23
General Information	24
Battery Replacement	25
REMOTE STARTING SYSTEM - IF EQUIPPED	26
DOORS	27
Upper Half Door Window Removal (If Equipped)	28
Upper Half Door Window Installation (If Equipped)	28
Front Door Removal	29
Rear Door Removal (Four-Door Models)	30
DOOR LOCKS	32
Manual Door Locks	33
Power Door Locks - If Equipped	34
Automatic Unlock Doors On Exit	35
Automatic Door Locks	36
WINDOWS	37
Power Windows - If Equipped	37
Rear Power Windows (Four-Door Models Only)	38
Wind Buffeting	39
REAR SWING GATE	39
OCCUPANT RESTRAINTS	41
Lap/Shoulder Belts	42
Rear Center Lap/Shoulder Belt Retractor Lock-Out (Four-Door Models Only)	47
Adjustable Upper Shoulder Belt Anchorage	48
Seat Belt Pretensioners	49
Enhanced Seat Belt Use Reminder System (BeltAlert)	50
Seat Belts And Pregnant Women	51
Seat Belt Extender	51
Driver And Front Passenger Supplemental Restraint Systems (SRS)	52
Child Restraint	63
ENGINE BREAK-IN RECOMMENDATIONS	76
SAFETY TIPS	76
Exhaust Gas	76
Safety Checks You Should Make Inside The Vehicle	77
Safety Checks You Should Make Outside The Vehicle	78
UNDERSTANDING THE FEATURES OF YOUR VEHICLE	80
MIRRORS	84
Inside Day/Night Mirror	84
Outside Mirrors	85
HANDS-FREE COMMUNICATION (UConnect)	86
SEATS	87
Front Seat Adjustment	87
Manual Seat Height Adjustment - If Equipped	88
Front Seatback Recline	88
Front Easy Entry Seats (Two-Door Models)	89
Head Restraints	90
Fold And Tumble Rear Seat (Two-Door Models)	90
Removing the Rear Seat (Two-Door Models)	92
Replacing the Rear Seat (Two-Door Models)	93
To Raise the Rear Seat	95
TO OPEN AND CLOSE THE HOOD	95
LIGHTS	96
Interior Lights	96
Multifunction Control Lever	98
Parking Lights, Instrument Panel Lights, and Headlights	98
Lights-On Reminder	99
Headlight Dimmer Switch	99
Passing Light	100
Front Fog Lights - If Equipped	100
Turn Signals	100
Daytime Running Lights - If Equipped	100
WINDSHIELD WIPERS AND WASHERS	101
Intermittent Wiper System	101
Windshield Wiper Operation	101
Windshield Washers	102
Mist Feature	102
TILT STEERING COLUMN	102
ELECTRONIC SPEED CONTROL - IF EQUIPPED	103
To Activate	103
To Set At A Desired Speed	104
To Deactivate	104
To Resume Speed	104
To Vary The Speed Setting	104
Manual Transmission	105
To Accelerate For Passing	106
ELECTRONIC BRAKE CONTROL SYSTEM	106
ABS (Anti-Lock Brake System)	106
TCS (Traction Control System)	107
BAS (Brake Assist System)	108
ERM (Electronic Roll Mitigation)	109
ESP (Electronic Stability Program)	110
ESP/BAS Warning Light	116
ELECTRICAL POWER OUTLET	117
Electrical Outlet Use With Engine Off	118
CUPHOLDERS	118
Front Cupholders	118
Rear Cupholders	119
STORAGE	119
Console Storage Compartment	119
Rear Storage Compartment	120
DUAL TOP - IF EQUIPPED	121
Removing The Soft Top	121
Installing the Soft Top	123
FREEDOM TOP THREE-PIECE MODULAR HARD TOP	126
Front Panel(s) Removal	127
Front Panel(s) Installation	129
Front Panel(s) Installation Only (With Rear Hard Top Removed)	129
Rear Hard Top Removal	130
Rear Hard Top Installation	132
DOOR FRAME	133
Door Frame Removal (Two-Door Models)	133
Door Frame Installation (Two-Door Models)	135
Door Frame Removal (Four-Door Models)	136
Door Frame Installation (Four-Door Models)	139
SOFT TOP (TWO-DOOR MODELS)	142
Folding Down The Soft Top	144
Putting Up The Soft Top	153
SUNRIDER (TWO-DOOR MODELS) - IF EQUIPPED	162
SUNRIDER (FOUR-DOOR MODELS) - IF EQUIPPED	165
SOFT TOP (FOUR-DOOR MODELS)	169
Folding Down The Soft Top	171
Putting Up The Soft Top	181
FOLDING WINDSHIELD	192
Lowering The Windshield And Removing Side Bars	194
Raising The Windshield And Replacing Side Bars	197
REAR WINDOW FEATURES - HARD TOP ONLY	198
Rear Window Wiper/Washer - If Equipped	198
Rear Window Defroster - If Equipped	199
UNDERSTANDING YOUR INSTRUMENT PANEL	202
INSTRUMENT PANEL AND CONTROLS	205
INSTRUMENT CLUSTER	206
INSTRUMENT CLUSTER DESCRIPTION	207
COMPASS AND TRIP COMPUTER - IF EQUIPPED	216
Control Buttons	217
Trip Conditions	217
Compass Temperature Display	218
RADIO GENERAL INFORMATION	221
Radio Broadcast Signals	221
Two Types of Signals	222
Electrical Disturbances	222
AM Reception	222
FM Reception	222
SALES CODE RES - AM/FM STEREO RADIO WITH CD PLAYER (MP3 AUX JACK)	223
Operating Instructions - Radio Mode	223
Operation Instructions - CD MODE for CD and MP3 Audio Play	229
Notes On Playing MP3 Files	231
LIST Button (CD Mode for MP3 Play)	234
INFO Button (CD Mode for MP3 Play)	234
SALES CODE REQ - AM/FM STEREO RADIO AND 6-DISC CD/DVD CHANGER (MP3/WMA AUX JACK)	235
Operating Instructions - Radio Mode	236
Operation Instructions - (DISC MODE for CD and MP3/WMA Audio Play, DVD-VIDEO)	244
Notes On Playing MP3/WMA Files	246
LIST Button (DISC Mode for MP3/WMA Play)	248
INFO Button (DISC Mode for MP3/WMA Play)	248
SALES CODE RER - MULTIMEDIA SYSTEM - IF EQUIPPED	251
Operating Instructions - Satellite Radio	252
Operating Instructions - Hands-Free Communication (UConnect) (If Equipped)	252
Clock Setting Procedure	252
SATELLITE RADIO - IF EQUIPPED (REN/REQ/RER/RES RADIOS ONLY)	254
System Activation	255
Electronic Serial Number/Sirius Identification Number (ESN/SID)	255
Selecting Satellite Mode	256
Satellite Antenna	256
Reception Quality	256
Operating Instructions - Satellite Mode	256
Operating Instructions - Hands-Free Phone (If Equipped)	258
Operating Instructions - Video Entertainment System (VES) (If Equipped)	259
CD/DVD DISC MAINTENANCE	259
RADIO OPERATION AND CELLULAR PHONES	259
CLIMATE CONTROLS	260
Manual Heater Only	260
Manual Air Conditioning and Heating System - If Equipped	262
Air Conditioning	265
Operating Tips	266
STARTING AND OPERATING	268
STARTING PROCEDURES	272
Manual Transmission	272
Automatic Transmission	272
Normal Starting	272
Extreme Cold Weather (below -20 degrees F or -29 degrees C)	273
If Engine Fails to Start	274
After Starting	275
ENGINE BLOCK HEATER - IF EQUIPPED	276
MANUAL TRANSMISSION	276
Shifting	277
Downshifting	278
Reverse Shifting	279
AUTOMATIC TRANSMISSION	280
Shift Lock Manual Override	281
Brake/Transmission Interlock System	282
Automatic Transmission with Overdrive	282
FOUR-WHEEL DRIVE OPERATION (COMMAND-TRAC OR ROCK-TRAC) - IF EQUIPPED	286
Operating Instructions/Precautions	286
Shift Positions	288
Shifting Procedure	289
TRAC-LOK REAR AXLE - IF EQUIPPED	290
AXLE LOCK (TRU-LOK) - RUBICON MODELS	291
REAR AXLE LOCK - 4WD NON-RUBICON MODELS (IF EQUIPPED)	292
ELECTRONIC SWAY BAR DISCONNECT - IF EQUIPPED	293
ON-ROAD DRIVING TIPS	295
OFF-ROAD DRIVING TIPS	295
Side Step Removal - If Equipped	295
The Basics of Off-Road Driving	297
When To Use 4L (Low) Range	298
Simultaneous Brake And Throttle Operation	298
Driving In Snow, Mud and Sand	298
Crossing Obstacles (Rocks And Other High Points)	300
Hill Climbing	302
Driving Through Water	305
After Driving Off-Road	308
PARKING BRAKE	309
ANTI-LOCK BRAKE SYSTEM	310
POWER STEERING	312
TIRE SAFETY INFORMATION	314
Tire Markings	314
Tire Identification Number (TIN)	317
Tire Loading and Tire Pressure	318
TIRES - GENERAL INFORMATION	322
Tire Pressure	322
Tire Inflation Pressures	323
Tire Pressures for High-Speed Operation	325
Radial-Ply Tires	326
Tire Spinning	326
Tread Wear Indicators	327
Life of Tire	327
Replacement Tires	328
Alignment and Balance	329
TIRE CHAINS	330
TIRE ROTATION RECOMMENDATIONS	330
TIRE PRESSURE MONITOR SYSTEM (TPMS)	331
Base System	334
General Information	336
FUEL REQUIREMENTS	337
Reformulated Gasoline	337
Gasoline/Oxygenate Blends	338
MMT In Gasoline	338
Materials Added To Fuel	339
Fuel System Cautions	339
Carbon Monoxide Warnings	340
ADDING FUEL	341
Fuel Filler Cap (Gas Cap)	341
VEHICLE LOADING	343
Certification Label	343
TRAILER TOWING	345
Common Towing Definitions	346
Trailer Hitch Classification	349
Trailer Towing Weights (Maximum Trailer Weight Ratings)	349
Trailer and Trailer Tongue Weight	353
Towing Requirements	354
Towing Tips	358
RECREATIONAL TOWING (BEHIND MOTORHOME, ETC.)	360
Towing - 2WD Models	360
Towing - 4WD Models	361
WHAT TO DO IN EMERGENCIES	364
HAZARD WARNING FLASHERS	365
IF YOUR ENGINE OVERHEATS	366
JACKING AND TIRE CHANGING	367
Jack Location	367
Spare Tire Stowage	368
Preparations For Jacking	368
Jacking Instructions	369
JUMP STARTING	372
EMERGENCY TOW HOOKS - IF EQUIPPED	375
TOWING A DISABLED VEHICLE	375
MAINTAINING YOUR VEHICLE	376
ENGINE COMPARTMENT - 3.8L	379
ONBOARD DIAGNOSTIC SYSTEM - OBD II	380
Loose Fuel Filler Cap Message	381
EMISSIONS INSPECTION AND MAINTENANCE PROGRAMS	381
REPLACEMENT PARTS	383
AUTHORIZED DEALER SERVICE	383
MAINTENANCE PROCEDURES	384
Engine Oil	384
Drive Belts - Check Condition and Tension	387
Spark Plugs	387
Catalytic Converter	387
Crankcase Emission Control System	389
Fuel Filter	389
Engine Air Cleaner Filter	390
Maintenance-Free Battery	390
Air Conditioner Maintenance	391
Power Steering Fluid Check	392
Driveline And Steering Component Lubrication	393
Body Lubrication	393
Windshield Wiper Blades	393
Windshield And Rear Window Washers	394
Exhaust System	394
Cooling System	395
Hoses and Vacuum/Vapor Harnesses	400
Brake System	400
Automatic Transmission	402
Hydraulic Clutch Fluid - Manual Transmission	404
Manual Transmission	404
Transfer Case	405
Front/Rear Axle Fluid	406
Maintenance After Off-Road Driving	406
Appearance Care And Protection From Corrosion	407
FUSES (TOTALLY INTEGRATED POWER MODULE)	414
VEHICLE STORAGE	420
REPLACEMENT BULBS - IF EQUIPPED	421
BULB REPLACEMENT	421
Head Light	421
Front Park/Turn Signal	422
Front Side Marker	423
Front Fog Light	423
Rear Tail, Stop, Turn Signal, and Backup Lights	423
Center High-Mounted Stop Light (CHMSL)	424
FLUID CAPACITIES	425
FLUIDS, LUBRICANTS AND GENUINE PARTS	426
Engine	426
Chassis	427
MAINTENANCE SCHEDULES	428
EMISSIONS CONTROL SYSTEM MAINTENANCE	429
MAINTENANCE SCHEDULE	429
Required Maintenance Intervals	432
IF YOU NEED CONSUMER ASSISTANCE	436
SUGGESTIONS FOR OBTAINING SERVICE FOR YOUR VEHICLE	438
Prepare For The Appointment	438
Prepare A List	438
Be Reasonable With Requests	438
IF YOU NEED ASSISTANCE	438
DaimlerChrysler Motors Corporation Customer Center	439
DaimlerChrysler Canada Inc. Customer Center	439
In Mexico contact	439
Customer Assistance For The Hearing Or Speech Impaired (TDD/TTY)	440
Service Contract	440
WARRANTY INFORMATION (U.S. Vehicles Only)	441
MOPAR PARTS	441
REPORTING SAFETY DEFECTS	441
In The 50 United States And Washington, D.C	441
In Canada	442
PUBLICATION ORDER FORMS	442
DEPARTMENT OF TRANSPORTATION UNIFORM TIRE QUALITY GRADES	443
Treadwear	444
Traction Grades	444
Temperature Grades	445