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Hummer
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2008 H2
Hummer 2008 H2 User Manual
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Maintenance
Replacement
Parts
Replacement
parts
identified
below
by
name,
part
number
or
specification
can
be
obtained
from
your
dealer/retailer.
Part
GM
Part
Number
ACDelco
®
Part
Number
Engine
Air
Cleaner/Filter
10389652
A2948C
Engine
Oil
Filter
89017524
PF48
Spark
Plugs
12571164
41-985
Wiper
Blades
Front
–
17.0
inches
(43.0
cm)
15060730
—
Rear
–
11.0
inches
(28.0
cm)
12335785
—
6-14
467
469
Table of Contents
Section 1 Seats and Restraint Systems
5
Default Chapter
3
Using this Manual
3
Seats and Restraint Systems
5
Table of Contents
5
Front Seats
6
Power Seats
6
Memory Seat and Mirrors
8
Power Reclining Seatbacks
9
Head Restraints
11
Rear Seats
12
Split Folding Rear Seat
12
Folding the Seatbacks
13
Third Row Seat
14
Folding the Seatback
15
Unfolding the Seatback
15
Tilting the Seat
16
Removing the Seat
18
Why Safety Belts Work
22
Safety Belt Pretensioners
36
Rear Safety Belt Comfort Guides
36
Safety Belts
41
Child Restraints
46
Child Restraint Systems
47
Where to Put the Restraint
50
Lower Anchors and Tethers for Children (LATCH)
51
Securing a Child Restraint Designed for the Latch System
56
Securing a Child Restraint in a
61
Rear Seat Position
61
Securing a Child Restraint in the Right Front Seat Position
64
Airbag System
68
Where Are the Airbags
70
When Should an Airbag Inflate
73
What Makes an Airbag Inflate
74
How Does an Airbag Restrain
74
What will You See after an Airbag Inflates
74
Airbag off Switch
76
Servicing Your Airbag-Equipped Vehicle
79
Adding Equipment to Your
79
Airbag-Equipped Vehicle
79
Restraint System Check
80
Checking the Restraint Systems
80
Replacing Restraint System Parts
81
After a Crash
81
Section 2 Features and Controls
83
Features and Controls
83
Keys
85
Remote Keyless Entry (RKE) System
86
Battery Replacement
89
Remote Vehicle Start
90
Doors and Locks
92
Door Locks
92
Power Door Locks
93
Delayed Locking
93
Programmable Automatic Door Locks
93
Rear Door Security Locks
94
Lockout Protection
94
Liftgate (SUV)
95
Midgate (SUT)
96
Tailgate/Spare Tire Carrier
98
Windows
101
Power Windows
102
Sun Visors
105
Theft-Deterrent Systems
106
Content Theft-Deterrent
106
Testing the Alarm
107
PASS-Key III+ Operation
108
Starting and Operating Your Vehicle
110
New Vehicle Break-In
110
Ignition Positions
110
Retained Accessory Power (RAP)
111
Starting the Engine
112
Engine Coolant Heater
113
Automatic Transmission Operation
114
Tow/Haul Mode
118
Full-Time Four-Wheel Drive
118
Parking Brake
122
Shifting into PARK (P)
123
Shifting out of PARK (P)
124
Parking over Things that Burn
125
Engine Exhaust
125
Running the Engine While Parked
126
Mirrors
127
Automatic Dimming Rearview Mirror with Compass and Temperature Display
127
Automatic Dimming Mirror Operation
128
Compass Operation
128
Compass Calibration
128
Temperature Display
128
Compass Variance
129
Cleaning the Mirror
129
Outside Power Foldaway Mirrors
130
Outside Automatic Dimming Mirror
131
Outside Convex Mirror
131
Outside Heated Mirrors
131
Object Detection Systems
132
Rear Vision Camera
132
Onstar System
135
How Onstar Service Works
138
Your Responsibility
138
Universal Home Remote System
139
Universal Home Remote System Operation
139
(With Three Round LED)
139
Storage Areas
146
Glove Box
146
Cupholder(S)
146
Center Console Storage
146
Luggage Carrier
147
Rear Seat Armrest
147
Cargo Tie Downs (SUT)
147
All-Weather Cargo Area (SUT)
148
Sunroof
149
Section 3 Instrument Panel
151
Instrument Panel Overview
154
Hazard Warning Flashers
156
Horn
156
Other Warning Devices
156
Tilt Wheel
156
Turn Signal/Multifunction Lever
157
Headlamp High/Low-Beam Changer
158
Turn and Lane-Change Signals
158
Flash-To-Pass
159
Windshield Wipers
159
Windshield Washer
160
Rear Window Wiper/Washer
161
Cruise Control
162
Setting Cruise Control
163
Exterior Lamps
165
Daytime Running Lamps (DRL)
167
Headlamps on Reminder
167
Automatic Headlamp System
168
Instrument Panel Brightness
168
Battery Run-Down Protection
169
Dome Lamp Override
169
Dome Lamps
169
Entry/Exit Lighting
169
Reading Lamps
169
Accessory Power Outlet(S)
170
Analog Clock
171
Ashtray(S) and Cigarette Lighter
171
Climate Controls
172
Dual Automatic Climate Control System
172
Automatic Operation
173
Air Conditioning
176
Defogging and Defrosting
178
Rear Window Defogger
178
Outlet Adjustment
179
Rear Air Conditioning and Heating System and Electronic Climate Controls
179
Warning Lights, Gages, and Indicators
181
Instrument Panel Cluster
182
Speedometer and Odometer
183
Trip Odometer
183
Tachometer
183
Safety Belt Reminders
183
Airbag Readiness Light
184
Airbag off Light
185
Charging System Light
187
Voltmeter Gage
187
Brake System Warning Light
188
Antilock Brake System Warning Light
189
Stabilitrak ® Indicator Light
190
Engine Coolant Temperature Gage
190
Tire Pressure Light
191
Malfunction Indicator Lamp
192
If the Light Is on Steady
193
If the Light Is Flashing
193
Maintenance Schedule
195
Oil Pressure Gage
195
Maintenance Schedule
196
Oil Pressure Light
196
Security Light
196
Cruise Control Light
196
Highbeam on Light
197
Tow/Haul Mode Light
197
Fuel Gage
197
Low Fuel Warning Light
198
Driver Information Center (DIC)
199
DIC Operation and Displays (Using DIC Buttons)
199
DIC Operation and Displays
199
(Using Trip Odometer Reset Stem)
204
DIC Warnings and Messages
206
Oil Pressure Low Stop Engine
208
Fuel Level Low
208
Rear Access Open
209
Service Air Bag
210
Service Brake System
210
Service Suspension System
210
Service Tire Monitor System
211
Traction Control off
212
DIC Vehicle Customization (with DIC Buttons)
213
Turn Signal on
213
Remote Door Unlock
216
Exit Lighting
217
Easy Exit Seat
219
Factory Settings
221
Audio System(S)
222
Setting the Clock
223
DVD Player
223
Radio(S) (Mp)
225
Playing the Radio
227
Finding a Station
228
Setting the Tone
229
Adjusting the Speakers (Balance/Fade)
230
Finding a Category (Cat) Station
231
Radio Messages
232
Using the DVD Player
238
Playing a DVD
238
Inserting a Disc
241
Ejecting a Disc
242
Mp3 Format
244
XM Radio Messages
253
Navigation/Radio System
254
Parental Control
255
Rear Seat Entertainment (Rse) System
255
Remote Control
259
Remote Control Buttons
260
DVD Distortion
263
Rear Seat Audio (Rsa)
264
Audio Steering Wheel Controls
266
Theft-Deterrent Feature
266
Radio Reception
267
XM™ Satellite Radio Antenna System
268
Fixed Mast Antenna
268
Section 4 Driving Your Vehicle
269
Driving Your Vehicle
269
Defensive Driving
270
Drunk Driving
270
Your Driving, the Road, and Your Vehicle
270
Braking
271
Control of a Vehicle
271
Antilock Brake System (ABS)
272
Braking in Emergencies
273
Traction Control System (TCS)
273
Locking Rear Axle
274
Stabilitrak ® System
275
Steering
277
Power Steering
277
Steering Tips
278
Steering in Emergencies
278
Off-Road Recovery
279
Loss of Control
280
Passing
280
Off-Road Driving
281
Environmental Concerns
282
High Mobility Characteristics
283
Traveling to Remote Areas
283
Scanning the Terrain
287
Crossing Obstacles
289
Driving Uphill
292
Driving Downhill
295
Driving Across an Incline
296
Stalling on an Incline
297
Driving in Water
299
Driving at Night
300
Assist Steps
300
Driving in Rain and on Wet Roads
301
Before Leaving on a Long Trip
302
Highway Hypnosis
302
Hill and Mountain Roads
303
Winter Driving
304
If You Are Caught in a Blizzard
305
If Your Vehicle Is Stuck in Sand, Mud, Ice, or Snow
307
Recovery Loops
308
Rocking Your Vehicle to Get It out
308
First Aid Kit and Tool Kit
310
Front Mounted Receiver
311
Power Winch Platform
311
Loading Your Vehicle
312
Recreational Vehicle Towing
319
Dinghy Towing
320
Dolly Towing
320
Towing
319
Towing Your Vehicle
319
Selectable Extended Rear Ride Height
321
Electronically Controlled Air Suspension System
322
Overload and Overheat Protection
322
Towing a Trailer
323
If You Do Decide to Pull a Trailer
324
Weight of the Trailer
326
Weight of the Trailer Tongue
327
Safety Chains
330
Trailer Brakes
330
Driving with a Trailer
331
Following Distance
331
Making Turns
332
Driving on Grades
332
Turn Signals When Towing a Trailer
332
Parking on Hills
333
Maintenance When Trailer Towing
333
Trailer Wiring Harness
334
Trailer Recommendations
335
Section 5 Service and Appearance Care
337
Service and Appearance Care
337
Service
339
Accessories and Modifications
339
California Proposition 65 Warning
339
California Perchlorate Materials Requirements
340
Doing Your Own Service Work
340
Adding Equipment to the Outside of Your Vehicle
340
Fuel
341
Gasoline Octane
341
Gasoline Specifications
341
California Fuel
341
Additives
342
Fuels in Foreign Countries
342
Filling the Tank
343
Filling a Portable Fuel Container
345
Checking Things under the Hood
345
Hood Release
346
Engine Compartment Overview
348
Engine Oil
349
When to Add Engine Oil
350
What Kind of Engine Oil to Use
351
Engine Oil Life System
352
How to Reset the Engine Oil Life System
353
What to Do with Used Oil
353
Engine Air Cleaner/Filter
354
How to Inspect the Engine Air Cleaner/Filter
355
Automatic Transmission Fluid
357
Engine Coolant
360
Coolant Surge Tank Pressure Cap
362
Engine Overheating
363
If no Steam Is Coming from Your Engine
364
Overheated Engine Protection Operating Mode
364
Cooling System
365
How to Add Coolant to the Coolant Surge Tank
367
Engine Fan Noise
369
Power Steering Fluid
370
What to Use
370
Windshield Washer Fluid
371
Adding Washer Fluid
371
Brakes
372
Brake Fluid
372
Checking Brake Fluid
373
Brake Wear
374
Brake Pedal Travel
374
Brake Adjustment
374
Battery
375
Replacing Brake System Parts
375
Vehicle Storage
375
Jump Starting
376
Rear Axle
381
Four-Wheel Drive
382
Front Axle
383
Bulb Replacement
384
Halogen Bulbs
384
Headlamps
384
Front Turn Signal and Parking Lamps
385
Daytime Running Lamps (DRL)
386
Roof Marker Lamps
386
Taillamps, Turn Signal, Stoplamps and Back-Up Lamps
387
Replacement Bulbs
389
Windshield Wiper Blade Replacement
390
Tires
391
Tire Sidewall Labeling
392
Tire Terminology and Definitions
394
Inflation - Tire Pressure
397
Tire Pressure Monitor System
398
Tire Pressure Monitor Operation
400
Tpms Malfunction Light and Message
401
Tpms Sensor Matching Process
402
Tire Inspection and Rotation
403
When It Is Time for New Tires
405
Buying New Tires
406
Different Size Tires and Wheels
408
Uniform Tire Quality Grading
408
Wheel Alignment and Tire Balance
410
Wheel Replacement
410
Tire Chains
411
Accessory Inflator
412
Changing a Flat Tire
414
If a Tire Goes Flat
414
Removing the Spare Tire and Tools (SUT)
416
Removing the Spare Tire and Tools (SUV)
420
Removing the Flat Tire and Installing the Spare Tire
424
Storing a Flat or Spare Tire and Tools (SUT)
430
Storing a Flat or Spare Tire and Tools (SUV)
432
Spare Tire
435
Appearance Care
436
Interior Cleaning
436
Fabric/Carpet
437
Instrument Panel, Vinyl, and Other Plastic Surfaces
438
Leather
438
Wood Panels
439
Speaker Covers
439
Care of Safety Belts
439
Weatherstrips
439
Washing Your Vehicle
439
Cleaning Exterior Lamps/Lenses
440
Finish Care
440
Windshield, Backglass, and Wiper Blades
441
Aluminum Wheels
442
Sheet Metal Damage
442
Finish Damage
443
Underbody Maintenance
443
Chemical Paint Spotting
443
Vehicle Care/Appearance Materials
444
Vehicle Identification
445
Vehicle Identification Number (VIN)
445
Service Parts Identification Label
445
Electrical System
446
Add-On Electrical Equipment
446
Windshield Wiper Fuses
446
Power Windows and Other Power Options
446
Fuses and Circuit Breakers
446
Instrument Panel Fuse Block
447
Top View
448
Center Instrument Panel Fuse Block
448
Underhood Fuse Block
449
Capacities and Specifications
453
Section 6 Maintenance Schedule
455
Introduction
456
Maintenance Requirements
456
Maintenance Schedule
456
Using the Maintenance Schedule
456
Your Vehicle and the Environment
456
Scheduled Maintenance
458
Additional Required Services
460
Maintenance Footnotes
461
Owner Checks and Services
462
At each Fuel Fill
463
At Least Once a Month
463
At Least Once a Year
464
Ignition Transmission Lock Check
465
Underbody Flushing Service
465
Recommended Fluids and Lubricants
466
Maintenance Replacement Parts
468
Engine Drive Belt Routing
469
Maintenance Record
470
Section 7 Customer Assistance Information
473
Customer Assistance Information
473
Customer Assistance and Information
474
Customer Satisfaction Procedure
474
Customer Assistance for Text Telephone (TTY) Users
476
Online Owner Center
476
Customer Assistance Offices
477
GM Mobility Reimbursement Program
478
Roadside Assistance Program
478
Scheduling Service Appointments
480
Courtesy Transportation
481
Collision Damage Repair
482
If a Crash Occurs
484
Reporting Safety Defects
486
Reporting Safety Defects to the United States Government
486
Reporting Safety Defects to the Canadian Government
486
Reporting Safety Defects to General Motors
486
Service Publications Ordering Information
487
Vehicle Data Recording and Privacy
488
Event Data Recorders
488
Onstar
489
Navigation System
489
Radio Frequency Identification (RFID)
489
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Hummer 2008 H2 Specifications
General
Brand
Hummer
Model
2008 H2
Category
Automobile
Language
English
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