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2003 GMC Yukon Owner's Manual - Page 355

2003 GMC Yukon Manual

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The seven-wire harness contains the following trailer circuits: Heavy-Duty Trailer Wiring Harness Package Yellow: Left Stop/Turn Signal Dark Green: Right Stop/Turn Signal Brown: Taillamps White: Ground Light Green: Back-up Lamps Red: Battery Feed Dark Blue: Trailer Brake Your vehicle is equipped with the seven-wire trailer towing harness. This harness with a seven-pin universal trailer connector is attached to a bracket on the hitch platform. 4-73

Section	Page
Seats and Restraint Systems	7
Front Seats	9
Manual Seats	9
Power Seats	10
Power Lumbar	11
Heated Seats	11
Reclining Seatbacks	12
Head Restraints	14
Rear Seats	14
Rear Seat Operation	14
	60
Top Strap	60
Top Strap Anchor Location	61
Lower Anchorages and Top Tethers for Children (LATCH System)	65
Securing a Child Restraint Designed for the LATCH System	67
Securing a Child Restraint in a Rear Outside Seat Position	67
Securing a Child Restraint in a Center Rear Seat Position	70
Securing a Child Restraint in the Center Front Seat Position	72
Securing a Child Restraint in the Right Front Seat Position	72
Air Bag Systems	76
Where Are the Air Bags?	80
When Should an Air Bag Inflate?	82
What Makes an Air Bag Inflate?	84
How Does an Air Bag Restrain?	84
What Will You See After an Air Bag Inflates?	85
Passenger Sensing System	87
Servicing Your Air Bag-Equipped Vehicle	91
Adding Equipment to Your Air Bag-Equipped Vehicle	92
Restraint System Check	92
Checking Your Restraint Systems	92
Replacing Restraint System Parts After a Crash	93
Features and Controls	95
Keys	97
Remote Keyless Entry System	98
Remote Keyless Entry System Operation	99
Doors and Locks	101
Door Locks	101
Power Door Locks	102
Delayed Locking	103
Programmable Automatic Door Locks	103
Rear Door Security Locks	105
Lockout Protection	106
Liftgate	106
Windows	108
Manual Windows	108
Power Windows	109
Sun Visors	109
Theft-Deterrent Systems	110
Content Theft-Deterrent	110
Passlock®	112
Starting and Operating Your Vehicle	112
New Vehicle Break-In	112
Ignition Positions	113
Starting Your Engine	114
Adjustable Throttle and Brake Pedal	115
Engine Coolant Heater	115
Automatic Transmission Operation	116
Four-Wheel Drive	120
All-Wheel Drive with Stabilitrak®	125
Parking Brake	128
Shifting Into Park (P)	129
Shifting Out of Park (P)	131
Parking Over Things That Burn	132
Engine Exhaust	132
Running Your Engine While You Are Parked	133
Mirrors	134
Manual Rearview Mirror	134
Automatic Dimming Rearview Mirror with OnStar®, Compass and Temperature Display	134
Automatic Dimming Rearview Mirror with Compass and Temperature Display	137
Outside Manual Mirrors	139
Outside Camper-Type Mirrors	140
Outside Power Mirrors	140
Outside Power Camper-Type Mirror	141
Outside Power Foldaway Mirrors	141
Outside Automatic Dimming Mirror	141
Outside Curb View Assist Mirrors	141
Outside Convex Mirror	142
Outside Heated Mirrors	142
OnStar® System	142
HomeLink® Transmitter	144
Programming the HomeLink® Transmitter	145
Storage Areas	148
Glove Box	148
Cupholder(s)	148
Front Storage Area	148
Center Console Storage Area	148
Luggage Carrier	149
Rear Storage Area	150
Convenience Net	150
Cargo Cover	151
Sunroof	151
Vehicle Personalization	152
Memory Seat	152
Instrument Panel	155
Instrument Panel Overview	158
Hazard Warning Flashers	160
Other Warning Devices	161
Horn	161
Tilt Wheel	161
Turn Signal/Multifunction Lever	162
Exterior Lamps	168
Interior Lamps	172
Accessory Power Outlets	174
Ashtrays and Cigarette Lighter	175
Climate Controls	175
Climate Control System	175
Dual Climate Control System	176
Dual Automatic Climate Control System	180
Rear Air Conditioning System	186
Rear Air Conditioning and Heating System	187
Rear Air Conditioning and Heating System and Electronic Climate Controls	189
Warning Lights, Gages and Indicators	191
Instrument Panel Cluster	192
Speedometer and Odometer	193
Tachometer	193
Safety Belt Reminder Light	193
Air Bag Readiness Light	194
Passenger Air Bag Status Indicator	194
Battery Warning Light	196
Voltmeter Gage	197
Brake System Warning Light	197
Anti-Lock Brake System Warning Light	198
Traction Off Light	199
Engine Coolant Temperature Gage	200
Transmission Temperature Gage	200
Malfunction Indicator Lamp	202
Oil Pressure Gage	205
Cruise Control Light	206
Tow/Haul Mode Light	206
Fuel Gage	206
Low Fuel Warning Light	207
Driver Information Center (DIC)	207
DIC Operation and Displays	208
DIC Warnings and Messages	218
Audio System(s)	225
Setting the Time for Radios without Radio Data Systems (RDS)	226
Setting the Time for Radios with Radio Data Systems (RDS)	226
AM-FM Radio	227
Radio with CD	229
Radio with Cassette and CD	240
Radio with Six-Disc CD	253
Rear Seat Entertainment System	266
Rear Seat Audio (RSA)	275
Theft-Deterrent Feature	277
Audio Steering Wheel Controls	277
DVD Distortion	278
Understanding Radio Reception	278
Care of Your Cassette Tape Player	279
Care of Your CDs and DVDs	280
Care of Your CD and DVD Player	280
Cleaning the Video Screen	280
Fixed Mast Antenna	280
XM™ Satellite Radio Antenna System (48 Contiguous US States)	281
Chime Level Adjustment	281
Driving Your Vehicle	283
Your Driving, the Road, and Your Vehicle	284
Defensive Driving	284
Drunken Driving	284
Control of a Vehicle	288
Braking	288
Traction Assist System (TAS)	292
Locking Rear Axle	294
Stabilitrak® System	294
Steering	296
QUADRASTEER™	298
Off-Road Recovery	301
Passing	302
Loss of Control	303
Off-Road Driving with Your Four-Wheel-Drive Vehicle	304
Driving at Night	319
Driving in Rain and on Wet Roads	321
City Driving	324
Freeway Driving	325
Before Leaving on a Long Trip	326
Highway Hypnosis	326
Hill and Mountain Roads	327
Winter Driving	329
If You Are Stuck: In Sand, Mud, Ice or Snow	334
Towing	336
Towing Your Vehicle	336
Recreational Vehicle Towing	337
Loading Your Vehicle	340
Level Control	341
Autoride™	342
Trailer Recommendations	342
Towing a Trailer	343
Service and Appearance Care	359
Service	361
Doing Your Own Service Work	361
Adding Equipment to the Outside of Your Vehicle	362
Fuel	362
Gasoline Octane	362
Gasoline Specifications	362
California Fuel	363
Additives	363
Fuel E-85 (85% Ethanol)	364
Fuels in Foreign Countries	365
Filling Your Tank	365
Filling a Portable Fuel Container	368
Checking Things Under the Hood	368
Hood Release	369
Engine Compartment Overview	370
Engine Oil	374
Engine Air Cleaner/Filter	379
Automatic Transmission Fluid	381
Engine Coolant	384
Coolant Surge Tank Pressure Cap	387
Engine Overheating	387
Cooling System	390
Engine Fan Noise	395
Power Steering Fluid	396
Windshield Washer Fluid	397
Brakes	398
Battery	401
Jump Starting	402
All-Wheel Drive	407
Rear Axle	408
Four-Wheel Drive	409
Front Axle	410
Bulb Replacement	410
Halogen Bulbs	411
Headlamps	411
Front Turn Signal, Sidemarker and Daytime Running Lamps	412
Side Identification Marker Lamps	413
Roof Marker Lamps	413
Taillamps	415
Replacement Bulbs	417
Windshield Wiper Blade Replacement	417
Tires	418
Inflation - Tire Pressure	419
Tire Inspection and Rotation	420
When It Is Time for New Tires	421
Buying New Tires	422
Uniform Tire Quality Grading	423
Wheel Alignment and Tire Balance	424
Wheel Replacement	424
Tire Chains	426
If a Tire Goes Flat	427
Changing a Flat Tire	428
Spare Tire	446
Appearance Care	446
Cleaning the Inside of Your Vehicle	447
Care of Safety Belts	449
Weatherstrips	449
Cleaning the Outside of Your Vehicle	450
Sheet Metal Damage	452
Finish Damage	452
Underbody Maintenance	452
Chemical Paint Spotting	452
Vehicle Care/Appearance Materials	453
Capacities and Specifications	464
Capacities and Specifications	464
Normal Maintenance Replacement Parts	467
Normal Maintenance Replacement Parts	467
Maintenance Schedule	470
Introduction	470
Your Vehicle and the Environment	470
Maintenance Requirements	470
How This Section is Organized	471
Part A: Scheduled Maintenance Services	472
Using Your Maintenance Schedule	472
Scheduled Maintenance	473
Part B: Owner Checks and Services	479
At Each Fuel Fill	479
At Least Once a Month	479
At Least Twice a Year	480
At Least Once a Year	480
Part C: Periodic Maintenance Inspections	483
Steering and Suspension Inspection	483
Exhaust System Inspection	483
Fuel System Inspection	483
Engine Cooling System Inspection	484
Transfer Case and Front Axle (Four-Wheel Drive) Inspection	484
Brake System Inspection	484
Part D: Recommended Fluids and Lubricants	485
Part E: Maintenance Record	487
Customer Assistance Information	489
Customer Assistance Information	490
Customer Satisfaction Procedure	490
Online Owner Center	491
Customer Assistance for Text Telephone (TTY) Users	492
Customer Assistance Offices	492
GM Mobility Program for Persons with Disabilities	493
Roadside Assistance Program	494
Courtesy Transportation	495
Reporting Safety Defects	497
Reporting Safety Defects to the United States Government	497
Reporting Safety Defects to the Canadian Government	498
Reporting Safety Defects to General Motors	498
Service Publications Ordering Information	498

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