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2003 Hummer H2 Owner's Manual - Page 424

2003 Hummer H2 Manual

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Transfer Case and Front Axle (All-Wheel Drive) Inspection Every 12 months or at engine oil change intervals, check front axle and transfer case and add lubricant when necessary. A fluid loss could indicate a problem; check and have it repaired, if needed. Check vent hose at transfer case for kinks and proper installation. More frequent lubrication may be required on off-road use. Brake System Inspection Inspect the complete system. Inspect brake lines and hoses for proper hook-up, binding, leaks, cracks, chafing, etc. Inspect disc brake pads for wear and rotors for surface condition. Inspect other brake parts, including calipers, parking brake, etc. You may need to have your brakes inspected more often if your driving habits or conditions result in frequent braking. 7-21

Section	Page
2003 HUMMER H2 Owner's Manual	1
Table of Contents	2
Copyright General Motors Corporation 2002	3
How to Use this Manual	4
Safety Warnings and Symbols	4
Vehicle Damage Warnings	5
Vehicle Symbols	5
Section 1 Seats and Restraint Systems	7
Seats and Seat Controls	8
Power Seats	8
Power Lumbar Control	9
Memory Seat	9
Easy Exit Seat	11
Heated Front Seats (If Equipped)	11
Reclining Front Seatbacks	12
Head Restraints	13
Rear Seats	14
	60
Where to Put the Restraint	62
Top Strap	63
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	68
Securing a Child Restraint in the Center Rear Seat Position	71
Securing a Child Restraint in the Right Front Seat Position	73
Older Children	78
Safety Belt Extender	81
Checking Your Restraint Systems	81
Replacing Restraint System Parts After a Crash	82
Section 2 Features and Controls	83
Windows	84
Power Windows	85
Express-Down Window	85
Lockout Switch	85
Keys	86
Door Locks	88
Power Door Locks	89
Lockout Prevention	89
Programmable Automatic Door Locks	90
Programmable Locking Feature	90
Programmable Unlocking Feature	91
Delayed Locking	92
Rear Door Security Locks	92
Keyless Entry System	93
Operation	94
Matching Transmitter(s) to Your Vehicle	95
Battery Replacement	96
Liftgate	97
Theft	98
Key in the Ignition	98
Parking at Night	98
Parking Lots	98
Content Theft-Deterrent	99
Testing the Alarm	100
Passlock	101
New Vehicle "Break-In"	101
Ignition Positions	102
Retained Accessory Power (RAP)	102
Starting Your Engine	103
Engine Coolant Heater (If Equipped)	104
To Use the Engine Coolant Heater	104
Automatic Transmission Operation	106
Shift Lock Release	109
Tow/Haul Mode	109
All-Wheel Drive	110
Transfer Case Buttons	110
Shifting to 4HI or 4HI Lock	112
Shifting to 4LO Lock	112
Shifting Out of 4LO Lock	112
Shifting to NEUTRAL	113
Shifting Out of NEUTRAL	113
Parking Brake	114
Shifting Into PARK (P)	115
Leaving Your Vehicle With the Engine Running	116
Torque Lock	117
Shifting Out of PARK (P)	117
Parking Over Things That Burn	118
Engine Exhaust	118
Running Your Engine While You're Parked	119
Electronically Controlled Air Suspension System (If Equipped)	120
Overload and Overheat Protection	121
Selectable Extended Rear Ride Height (If Equipped)	121
Locking Rear Axle	123
Tilt Wheel	124
Horn	124
Turn Signal/Multifunction Lever	124
Turn and Lane Change Signals	125
Turn Signal On Chime	125
Headlamp High/Low-Beam Changer	125
Flash-to-Pass Feature	126
Windshield Wipers	126
Windshield Washer	127
Rear Window Washer/Wiper	127
Cruise Control	128
Setting Cruise Control	129
Resuming a Set Speed	129
Increasing Speed While Using Cruise Control	130
Reducing Speed While Using Cruise Control	130
Passing Another Vehicle While Using Cruise Control	130
Using Cruise Control on Hills	130
Ending Cruise Control	130
Erasing Speed Memory	130
Exterior Lamps	131
Automatic Headlamp System	132
Lamps On Reminder	132
Daytime Running Lamps	132
Off-Road Lamps (If Equipped)	133
Interior Lamps	133
Instrument Panel Brightness Control	133
Exit Lighting	133
Front Reading Lamps	134
Dome Lamps	134
Battery Run-Down Protection	134
Mirrors	135
Electrochromic Inside Rearview Mirror with Compass and Temperature Display	135
Temperature and Compass Display	135
Electrochromic Mirror Operation	136
Compass Variance	136
Compass Calibration	137
Cleaning the Mirror	137
Power Outside Rearview Mirrors	138
Convex Outside Mirror	138
Heated Outside Rearview Mirrors	138
Electrochromic Rearview Outside Mirror with Curb View Assist	139
Storage Compartments	139
Glove Box	139
Overhead Console	140
Center Console Storage Area	140
Rear Armrest/Cupholders	141
First Aid Kit (If Equipped)	141
Tool Kit (If Equipped)	141
Cargo Tie Downs	141
Luggage Carrier (If Equipped)	142
Adjusting the Crossrails	142
Stop Tabs	143
Crossrail Channels	144
Ashtray and Cigarette Lighter	145
Sun Visors	145
Illuminated Visor Vanity Mirrors	145
Accessory Inflator (If Equipped)	146
Accessory Power Outlets	147
OnStar System (If Equipped)	148
OnStar Services	149
OnStar System Limitations	151
OnStar Steering Wheel Control	151
Sunroof (Option)	152
Vent Position	152
HomeLink Transmitter	153
Programming HomeLink	154
Gate Operator and Canadian Programming	156
Using HomeLink	156
Erasing HomeLink Buttons	156
Reprogramming a Single HomeLink Button	157
Resetting Defaults	157
The Instrument Panel - Your Information System	158
Instrument Panel Cluster	160
Speedometer and Odometer	161
Tachometer	161
Warning Lights, Gages and Indicators	162
Safety Belt Reminder Light	162
Air Bag Readiness Light	163
Air Bag Off Light	164
Charging System Indicator Light	165
Voltmeter	166
Brake System Warning Light	166
Anti-Lock Brake System Warning Light	168
Engine Coolant Temperature Gage	168
Transmission Temperature Gage	169
TRAC OFF Light	170
Malfunction Indicator Lamp (Check Engine Light)	171
If the Light Is Flashing	172
If the Light Is On Steady	172
Emissions Inspection and Maintenance Programs	173
Oil Pressure Gage	174
Security Light	175
Cruise Light	175
Tow/Haul Light	175
Fuel Gage	176
Low Fuel Light	176
Driver Information Center (DIC)	177
DIC Operation and Displays	177
Trip Information Button	178
Personal Trip	178
Business Trip	178
Season Odometer	179
Hourmeter	179
Annual Log	179
Timer	179
Fuel Information Button	180
Fuel Range	180
Average Fuel Economy	180
Instant Fuel Economy	180
GM Oil Life System_	180
Personalization Button	181
Alarm Warning Type	181
Automatic Locking	182
Automatic Unlocking	182
Seat Position Recall	183
Perimeter Lighting	183
Remote Lock Feedback	184
Remote Unlock Feedback	184
Headlamps on at Exit	185
Curb View Assist	185
Easy Exit Seat	186
Display Units (ENG/MET)	186
Display Language	187
Select Button	187
DIC Warnings and Messages	188
CHANGE ENGINE OIL	188
OIL LIFE RESET	188
LOW COOLANT LEVEL	188
ENGINE COOLANT HOT	188
ENGINE OVERHEATED	188
OIL PRESSURE LOW	188
REDUCED ENGINE POWER	189
BATTERY NOT CHARGING	189
SERVICE AIR BAG	189
SERVICE BRAKE SYSTEM	189
SERVICE 4WD	189
SERVICE AIR SUSPENSION	189
TURN SIGNAL ON	190
REAR ACCESS OPEN	190
FUEL LEVEL LOW	190
CHECK ENG OIL LEVEL	190
CHECK WASHER FLUID	190
TRACTION ACTIVE	190
TRANSMISSION HOT	191
TRANS HOT IDLE ENGINE	191
ICE POSSIBLE	192
DRIVER DOOR AJAR	192
PASSENGER DOOR AJAR	192
LEFT REAR DOOR AJAR	192
RIGHT REAR DOOR AJAR	192
RKE # BATTERY LOW	192
Section 3 Comfort Controls and Audio Systems	193
Comfort Controls	194
Comfort Controls Personalization	194
Automatic Dual Zone Comfort Control System	194
Driver's Side Temperature Knob	195
Passenger's Side Temperature Knob	195
Display	196
Manual Operation	196
Automatic Operation	198
Air Conditioning	198
Heating	199
Defogging and Defrosting	199
Rear Window Defogger	200
Ventilation System	201
Ventilation Tips	201
Audio Systems	202
Setting the Time	202
AM-FM with Cassette Tape and Compact Disc Player with Radio Data System (RDS) and Automatic Tone Control (Bose)	203
Playing the Radio	203
Finding a Station	203
Setting Preset Stations	204
Setting the Tone (Bass/Treble)	204
Adjusting the Speakers (Balance/Fade)	205
Using RDS	206
Finding RDS Stations	206
Setting Preset PTY Stations	207
RDS Messages	207
Radio Messages	208
Playing a Cassette Tape	208
Cassette Tape Messages	210
CD Adapter Kits	211
Playing a Compact Disc	211
Compact Disc Messages	213
AM-FM Radio with Six-Disc Compact Disc Player with Equalization and Radio Data System (RDS) (Bose) (If Equipped)	213
Playing the Radio	213
Finding a Station	214
Setting Preset Stations	214
Setting the Tone (Bass/Treble)	215
Adjusting the Speakers (Balance/Fade)	216
Using RDS	216
Finding a PTY Station	217
Setting PTY Preset Stations	217
RDS Messages	218
Playing a Compact Disc	218
Playing a Specific Loaded Compact Disc	219
Using Song List Mode	221
Compact Disc Messages	223
Rear Seat Audio	223
Theft-Deterrent Feature RDS Radios	224
Audio Steering Wheel Controls	225
Understanding Radio Reception	226
AM	226
FM Stereo	226
Tips About Your Audio System	226
Care of Your Cassette Tape Player	227
Care of Your Compact Discs	228
Care of Your Compact Disc Player	228
Roof Mast Antenna	228
Chime Level Adjustment	228
Section 4 Your Driving and the Road	229
Defensive Driving	230
Drunken Driving	231
Control of a Vehicle	234
Braking	234
Anti-Lock Brake System (ABS)	235
Using Anti-Lock	237
Braking in Emergencies	237
Traction Control System (TCS)	237
Steering	239
Power Steering	239
Steering Tips	239
Driving on Curves	239
Steering in Emergencies	240
Off-Road Recovery	241
Passing	241
Loss of Control	243
Skidding	243
Off-Road Driving	244
Before You Go Off-Roading	244
Loading Your Vehicle for Off-Road Driving	245
Environmental Concerns	246
Traveling to Remote Areas	246
High Mobility Characteristics	247
Brake and Throttle Modulation for Enhanced Mobility	250
Getting Familiar with Off-Road Driving	252
Scanning the Terrain	253
Crossing Obstacles	254
Driving on Off-Road Hills	255
Approaching a Hill	256
Driving Uphill	257
Driving Downhill	260
Driving Across an Incline	262
Stalling on an Incline	263
Driving in Mud, Sand, Snow or Ice	264
Driving in Water	265
After Off-Road Driving	266
Driving at Night	266
Driving in Rain and on Wet Roads	268
Hydroplaning	269
Driving Through Deep Standing Water	270
Driving Through Flowing Water	270
Some Other Rainy Weather Tips	270
City Driving	271
Freeway Driving	272
Before Leaving on a Long Trip	274
Highway Hypnosis	275
Hill and Mountain Roads	276
Winter Driving	278
Driving on Snow or Ice	279
If You're Caught in a Blizzard	280
Recreational Vehicle Towing	282
Dinghy Towing	282
Dolly Towing	283
Loading Your Vehicle	284
Add-On Equipment	286
Trailer Recommendations	286
Towing a Trailer	287
If You Do Decide To Pull A Trailer	288
Tow/Haul Mode	288
Weight of the Trailer	290
Weight of the Trailer Tongue	290
Total Weight on Your Vehicle's Tires	291
Hitches	291
Safety Chains	292
Trailer Brakes	292
Driving with a Trailer	293
Following Distance	294
Passing	294
Backing Up	294
Making Turns	294
Turn Signals When Towing a Trailer	295
Driving On Grades	295
Parking on Hills	296
When You Are Ready to Leave After Parking on a Hill	297
Maintenance When Trailer Towing	297
Trailer Wiring Harness	297
Heavy-Duty Trailer Wiring Package	297
Front Receiver	298
Receiver Extension (If Equipped)	299
Power Winch Platform (If Equipped)	300
Section 5 Problems on the Road	303
Hazard Warning Flashers	304
Other Warning Devices	304
Jump Starting	305
Towing Your Vehicle	311
Engine Overheating	311
Overheated Engine Protection Operating Mode	311
If Steam Is Coming From Your Engine	312
If No Steam Is Coming From Your Engine	313
Cooling System	314
How to Add Coolant to the Coolant Surge Tank	316
Engine Fan Noise	320
If a Tire Goes Flat	320
Changing a Flat Tire	321
Removing the Spare Tire and Tools	322
Removing the Flat Tire and Installing the Spare Tire	325
Storing a Flat or Spare Tire and Tools	330
If You're Stuck: In Sand, Mud, Ice or Snow	332
Rocking Your Vehicle To Get It Out	333
Using the Recovery Loops	333
Section 6 Service and Appearance Care	335
Service	336
Doing Your Own Service Work	336
Adding Equipment to the Outside of Your Vehicle	337
Fuel	337
Gasoline Octane	337
Gasoline Specifications	338
California Fuel	338
Additives	338
Fuels in Foreign Countries	339
Filling Your Tank	340
Filling a Portable Fuel Container	342
Checking Things Under the Hood	342
Hood Release	343
Engine Compartment Overview	345
Engine Oil	346
Checking Engine Oil	346
When to Add Engine Oil	347
What Kind of Engine Oil to Use	348
Engine Oil Additives	349
When to Change Engine Oil (GM Oil Life System)	349
How to Reset the CHANGE ENGINE OIL Message	350
What to Do with Used Oil	350
Engine Air Cleaner/Filter	351
Automatic Transmission Fluid	353
When to Check and Change	353
How to Check	353
Checking the Fluid Level	354
How to Add Fluid	355
Rear Axle	356
When to Check Lubricant	356
How to Check Lubricant	356
What to Use	356
All-Wheel Drive	357
Transfer Case	357
When to Check Lubricant	357
How to Check Lubricant	357
What to Use	357
Front Axle	358
When to Check Lubricant	358
How to Check Lubricant	358
What to Use	358
Engine Coolant	359
What to Use	360
Checking Coolant	361
Adding Coolant	361
Coolant Surge Tank Pressure Cap	362
Power Steering Fluid	362
When to Check Power Steering Fluid	362
How to Check Power Steering Fluid	362
What to Use	362
Windshield Washer Fluid	363
What to Use	363
Adding Washer Fluid	363
Brakes	364
Brake Fluid	364
Checking Brake Fluid	365
What to Add	365
Brake Wear	366
Brake Pedal Travel	366
Brake Adjustment	366
Replacing Brake System Parts	367
Battery	367
Vehicle Storage	367
Bulb Replacement	368
Halogen Bulbs	368
Headlamps	368
Front Turn Signal/Parking Lamp	369
Daytime Running Lamp	370
Center High Mounted Stoplamp (CHMSL)	370
Front and Rear Sidemarker Lamps	370
Taillamps	371
Corner Roof Marker Lamps	372
Windshield Wiper Blade Replacement	374
Tires	375
Inflation -- Tire Pressure	376
When to Check	376
How to Check	376
Tire Inspection and Rotation	377
When It's Time for New Tires	378
Buying New Tires	378
Uniform Tire Quality Grading	379
Treadwear 200 Traction AA Temperature A	379
Treadwear	380
Traction -- AA, A, B, C	380
Temperature -- A, B, C	380
Wheel Alignment and Tire Balance	381
Wheel Replacement	381
Used Replacement Wheels	382
Tire Chains	382
Appearance Care	383
Cleaning the Inside of Your Vehicle	383
Cleaning of Fabric/Carpet	383
Using Cleaner on Fabric	384
Special Fabric Cleaning Problems	384
Cleaning Vinyl	385
Cleaning Leather	385
Cleaning the Top of the Instrument Panel	385
Cleaning Interior Plastic Components	385
Cleaning Speaker Covers	385
Care of Safety Belts	386
Cleaning Glass Surfaces	386
Cleaning the Outside of the Windshield and Wiper Blades	387
Weatherstrips	387
Cleaning the Outside of Your Vehicle	387
Washing Your Vehicle	387