2005 HUMMER H2 Owner Manual M
Seats and Restraint Systems ........................... 1-1
Driving Your Vehicle ....................................... 4-1
Front Seats
............................................... 1-2
Your Driving, the Road, and Your Vehicle
..... 4-2
Rear Seats
............................................... 1-7
Towing
................................................... 4-64
Safety Belts
............................................. 1-16
Service and Appearance Care .......................... 5-1
Child Restraints
....................................... 1-36
Service
..................................................... 5-3
Airbag System
......................................... 1-58
Fuel
......................................................... 5-5
Restraint System Check
............................ 1-69
Checking Things Under the Hood
................. 5-9
Features and Controls ..................................... 2-1
All-Wheel Drive
........................................ 5-43
Keys
........................................................ 2-3
Rear Axle
............................................... 5-44
Doors and Locks
....................................... 2-8
Front Axle
............................................... 5-44
Windows
................................................. 2-17
Bulb Replacement
.................................... 5-45
Theft-Deterrent Systems
............................ 2-21
Windshield Wiper Blade Replacement
......... 5-51
Starting and Operating Your Vehicle
........... 2-24
Tires
...................................................... 5-52
Mirrors
.................................................... 2-40
Appearance Care
..................................... 5-90
OnStar® System
...................................... 2-45
Vehicle Identification
................................. 5-99
HomeLink® Wireless Control System
........... 2-47
Electrical System
.................................... 5-100
Storage Areas
......................................... 2-51
Capacities and Specifications
................... 5-110
Sunroof
.................................................. 2-59
Maintenance Schedule ..................................... 6-1
Vehicle Personalization
............................. 2-61
Maintenance Schedule
................................ 6-2
Instrument Panel ............................................. 3-1
Customer Assistance and Information .............. 7-1
Instrument Panel Overview
.......................... 3-4
Customer Assistance and Information
........... 7-2
Climate Controls
...................................... 3-20
Reporting Safety Defects
........................... 7-10
Warning Lights, Gages, and Indicators
........ 3-26
Index ................................................................ 1
Driver Information Center (DIC)
.................. 3-43
Audio System(s)
....................................... 3-60

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GENERAL MOTORS, GM, the GM Emblem, HUMMER,
Canadian Owners
the name HUMMER, H2 and the H2 Design are
registered trademarks of General Motors Corporation.
A French language copy of this manual can be obtained
This manual includes the latest information at the time it
from your dealer or from:
was printed. We reserve the right to make changes
Helm, Incorporated
after that time without further notice. For vehicles first
P.O. Box 07130
sold in Canada, substitute the name “General Motors of
Detroit, MI 48207
Canada Limited” for HUMMER whenever it appears
in this manual.
How to Use This Manual
Keep this manual in the vehicle, so it will be there if it is
needed while on the road. If the vehicle is sold, leave
Many people read the owner manual from beginning to
this manual in the vehicle.
end when they first receive their new vehicle. If this
is done, it can help you learn about the features
and controls for the vehicle. Pictures and words work
together in the owner manual to explain things.
Index
A good place to quickly locate information about the
vehicle is the Index in the back of the manual. It is an
alphabetical list of what is in the manual and the
page number where it can be found.
Litho in U.S.A.
Part No. 05H2 B First Edition
© 2004 General Motors Corporation. All Rights Reserved.
ii

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Safety Warnings and Symbols
You will also find a circle
with a slash through it in
There are a number of safety cautions in this book. We
this book. This safety
use a box and the word CAUTION to tell about things
symbol means “Do Not,”
that could hurt you if you were to ignore the warning.
“Do Not do this” or “Do Not
let this happen.”
{CAUTION:
These mean there is something that could hurt
you or other people.
In the caution area, we tell you what the hazard is.
Then we tell you what to do to help avoid or reduce the
hazard. Please read these cautions. If you do not,
you or others could be hurt.
iii

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Vehicle Damage Warnings
Vehicle Symbols
Also, in this manual you will find these notices:
The vehicle has components and labels that use
symbols instead of text. Symbols are shown along with
Notice: These mean there is something that could
the text describing the operation or information
damage your vehicle.
relating to a specific component, control, message,
A notice tells about something that can damage the
gage, or indicator.
vehicle. Many times, this damage would not be covered
If you need help figuring out a specific name of a
by your vehicle’s warranty, and it could be costly. But
component, gage, or indicator, reference the following
the notice will tell what to do to help avoid the damage.
topics:
When you read other manuals, you might see
• Seats and Restraint Systems in Section 1
CAUTION and NOTICE warnings in different colors or in
different words.
• Features and Controls in Section 2
There are also warning labels on the vehicle. They use
• Instrument Panel Overview in Section 3
the same words, CAUTION or NOTICE.
• Climate Controls in Section 3
• Warning Lights, Gages, and Indicators in Section 3
• Audio System(s) in Section 3
• Engine Compartment Overview in Section 5
iv

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These are some examples of symbols that may be found on the vehicle:
v

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✍ NOTES
vi

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Section 1
Seats and Restraint Systems
Front Seats ......................................................1-2
Where to Put the Restraint .............................1-45
Power Seats ..................................................1-2
Top Strap ....................................................1-46
Power Lumbar ...............................................1-3
Top Strap Anchor Location .............................1-47
Heated Seats .................................................1-4
Lower Anchorages and Top Tethers for
Reclining Seatbacks ........................................1-5
Children (LATCH System) ...........................1-49
Head Restraints .............................................1-6
Securing a Child Restraint Designed for the
Rear Seats .......................................................1-7
LATCH System .........................................1-51
Heated Seats .................................................1-7
Securing a Child Restraint in a Rear Seat
60/40 Split Bench Seat ...................................1-7
Position ...................................................1-52
Third Row Seat (SUV) ...................................1-10
Securing a Child Restraint in the Right
Front Seat Position ....................................1-54
Safety Belts ...................................................1-16
Safety Belts: They Are for Everyone ................1-16
Airbag System ...............................................1-58
Questions and Answers About Safety Belts ......1-21
Where Are the Airbags? ................................1-60
How to Wear Safety Belts Properly .................1-22
When Should an Airbag Inflate? .....................1-61
Driver Position ..............................................1-22
What Makes an Airbag Inflate? .......................1-63
Safety Belt Use During Pregnancy ..................1-29
How Does an Airbag Restrain? .......................1-63
Right Front Passenger Position .......................1-30
What Will You See After an Airbag Inflates? .....1-64
Rear Seat Passengers ..................................1-30
Airbag Off Switch ..........................................1-65
Rear Safety Belt Comfort Guides for Children
Servicing Your Airbag-Equipped Vehicle ...........1-68
and Small Adults .......................................1-33
Adding Equipment to Your Airbag-Equipped
Safety Belt Extender .....................................1-35
Vehicle ....................................................1-69
Child Restraints .............................................1-36
Restraint System Check ..................................1-69
Older Children ..............................................1-36
Checking the Restraint Systems ......................1-69
Infants and Young Children ............................1-39
Replacing Restraint System Parts After
Child Restraint Systems .................................1-42
a Crash ...................................................1-70
1-1

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Front Seats
Horizontal Control: This control adjusts the seat
cushion.
• Raise or lower the front of the seat by raising or
Power Seats
lowering the forward edge of the control. Raise
or lower the rear of the seat by raising or lowering
the rear edge of the control.
• Move the seat forward or rearward by moving the
whole control toward the front or toward the rear
of the vehicle.
• Lower or raise the entire seat cushion by moving
the whole control up or down.
Vertical Control: This control adjusts the seatback.
Move the reclining front seatback rearward or forward by
moving the control toward the rear or toward the front
of the vehicle. This adjusts the angle of the seatback.
For more information on the reclining seatbacks,
see Reclining Seatbacks on page 1-5.
The power seat controls are located on the outboard
Your vehicle has a memory function which allows seat
edge of the front seats.
settings to be saved and recalled. See Memory Seat
on page 2-61 for more information.
1-2

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Power Lumbar
You can also reshape the side wing area of the lower
seatback for more lateral support.
Your vehicle’s seats have power lumbar.
To increase support, press and hold the top of the
control. To decrease support, press and hold the bottom
You can increase or
of the control. Let go of the control when the lower
decrease lumbar support
seatback reaches the desired level of support.
in an area of the lower
seatback with this control,
Your vehicle may have a memory function which allows
located on the outboard
seat settings to be saved and recalled. See Memory
sides of the front seat(s).
Seat on page 2-61 for more information.
To increase support, press and hold the front of the
control. To decrease support, press and hold the rear of
the control. Let go of the control when the lower
seatback reaches the desired level of support.
1-3

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Heated Seats
The low setting warms the seatback and cushion until
the seat temperature is near body temperature. The
medium and high settings heat the seatback and seat
Your vehicle may have
cushion to a slightly higher temperature. You will be able
heated front seats. The
to feel heat in about two minutes.
buttons used to control this
feature are located on
To heat only the seatback, press the vertical button with
the front doors. The engine
the heated seatback symbol. An indicator light on the
must be running for the
seatback button will glow to designate that only the
heated seat feature
seatback is being heated. Additional presses of
to work.
the seatback button will cycle through the heat levels for
the seatback only. Press the horizontal button again
to heat the whole seat.
The heated front seats will shut off automatically when
the ignition is turned off.
To heat the entire seat, press the horizontal button with
the heated seat symbol. Press the button to cycle
through the temperature settings of high, medium and
low and to turn the heated seat off. Indicator lights
will glow to designate the level of heat selected, three
for high, two for medium, and one for low.
1-4

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Document Outline

• 2005 HUMMER H2 Book TOC
• Seats and Restraint Systems
  • Front Seats
    • Power Seats
    • Power Lumbar
    • Heated Seats
    • Reclining Seatbacks
    • Head Restraints
  • Rear Seats
    • Heated Seats
    • 60/40 Split Bench Seat
    • Third Row Seat (SUV)
  • Safety Belts
    • Safety Belts: They Are for Everyone
    • Questions and Answers About Safety Belts
    • How to Wear Safety Belts Properly
    • Driver Position
    • Safety Belt Use During Pregnancy
    • Right Front Passenger Position
    • Rear Seat Passengers
    • Rear Safety Belt Comfort Guides for Children and Small Adults
    • Safety Belt Extender
  • Child Restraints
    • Older Children
    • Infants and Young Children
    • Child Restraint Systems
    • Where to Put the Restraint
    • Top Strap
    • Top Strap Anchor Location
    • Lower Anchorages and Top Tethers for Children (LATCH System)
    • Securing a Child Restraint Designed for the LATCH System
    • Securing a Child Restraint in a Rear Seat Position
    • Securing a Child Restraint in the Right Front Seat Position
  • Airbag System
    • Where Are the Airbags?
    • When Should an Airbag Inflate?
    • What Makes an Airbag Inflate?
    • How Does an Airbag Restrain?
    • What Will You See After an Airbag Inflates?
    • Airbag Off Switch
    • Servicing Your Airbag-Equipped Vehicle
    • Adding Equipment to Your Airbag-Equipped Vehicle
  • Restraint System Check
    • Checking the Restraint Systems
    • Replacing Restraint System Parts After a Crash
• Features and Controls
  • Keys
    • Remote Keyless Entry System
    • Remote Keyless Entry System Operation
  • Doors and Locks
    • Door Locks
    • Power Door Locks
    • Delayed Locking
    • Programmable Automatic Door Locks
    • Rear Door Security Locks
    • Lockout Protection
    • Liftgate (SUV)
    • Midgate (SUT)
    • Tailgate (SUT)
  • Windows
    • Power Windows
    • Sun Visors
  • Theft-Deterrent Systems
    • Content Theft-Deterrent
    • Passlock®
  • Starting and Operating Your Vehicle
    • New Vehicle Break-In
    • Ignition Positions
    • Retained Accessory Power (RAP)
    • Starting the Engine
    • Engine Coolant Heater
    • Automatic Transmission Operation
    • Tow/Haul Mode
    • All-Wheel Drive
    • Parking Brake
    • Shifting Into Park (P)
    • Shifting Out of Park (P)
    • Parking Over Things That Burn
    • Engine Exhaust
    • Running the Engine While Parked
  • Mirrors
    • Automatic Dimming Rearview Mirror with OnStar®, Compass and Temperature Display
    • Outside Power Mirrors
    • Outside Convex Mirror
    • Outside Heated Mirrors
    • Outside Automatic Dimming Mirror with Curb View Assist
  • OnStar® System
  • HomeLink® Wireless Control System
    • HomeLink® Wireless Control System Operation
  • Storage Areas
    • Glove Box
    • Center Overhead Console
    • Center Console Storage Area
    • Luggage Carrier
    • Rear Seat Armrest
    • Cargo Tie Downs (SUT)
    • All-Weather Cargo Area (SUT)
    • Tonneau Cover (SUT)
  • Sunroof
  • Vehicle Personalization
    • Memory Seat
• Instrument Panel
  • Instrument Panel Overview
    • Hazard Warning Flashers
    • Other Warning Devices
    • Horn
    • Tilt Wheel
    • Turn Signal/Multifunction Lever
    • Turn and Lane-Change Signals
    • Headlamp High/Low-Beam Changer
    • Flash-to-Pass
    • Windshield Wipers
    • Windshield Washer
    • Cruise Control
    • Exterior Lamps
    • Headlamps on Reminder
    • Daytime Running Lamps (DRL)
    • Automatic Headlamp System
    • Off-Road Lamps
    • Instrument Panel Brightness
    • Dome Lamps
    • Entry/Exit Lighting
    • Reading Lamps
    • Battery Run-Down Protection
    • Accessory Power Outlets
    • Ashtrays and Cigarette Lighter
  • Climate Controls
    • Dual Automatic Climate Control System
    • Outlet Adjustment
    • Climate Controls Personalization
  • Warning Lights, Gages, and Indicators
    • Instrument Panel Cluster
    • Speedometer and Odometer
    • Tachometer
    • Safety Belt Reminder Light
    • Airbag Readiness Light
    • Airbag Off Light
    • Charging System Light
    • Voltmeter Gage
    • Brake System Warning Light
    • Anti-Lock Brake System Warning Light
    • Traction Off Light
    • Engine Coolant Temperature Gage
    • Transmission Temperature Gage
    • Malfunction Indicator Lamp
    • Oil Pressure Gage
    • Security Light
    • Cruise Control Light
    • Highbeam On Light
    • Tow/Haul Mode Light
    • Fuel Gage
    • Low Fuel Warning Light
  • Driver Information Center (DIC)
    • DIC Operation and Displays
    • DIC Warnings and Messages
    • DIC Vehicle Customization
  • Audio System(s)
    • Setting the Time
    • Radio with Cassette and CD
    • Radio with Six-Disc CD
    • Navigation/Radio System
    • Rear Seat Audio (RSA)
    • Theft-Deterrent Feature
    • Audio Steering Wheel Controls
    • Radio Reception
    • Care of the Cassette Tape Player
    • Care of Your CDs
    • Care of the CD Player
    • Fixed Mast Antenna
    • Chime Level Adjustment
• Driving Your Vehicle
  • Your Driving, the Road, and Your Vehicle
    • Defensive Driving
    • Drunken Driving
    • Control of a Vehicle
    • Braking
    • Anti-Lock Brake System (ABS)
    • Braking in Emergencies
    • Traction Control System (TCS)
    • Locking Rear Axle
    • Steering
    • Off-Road Recovery
    • Passing
    • Loss of Control
    • Off-Road Driving
    • Driving at Night
    • Driving in Rain and on Wet Roads
    • City Driving
    • Freeway Driving
    • Before Leaving on a Long Trip
    • Highway Hypnosis
    • Hill and Mountain Roads
    • Winter Driving
    • If Your Vehicle is Stuck in Sand, Mud, Ice or Snow
    • Rocking Your Vehicle to Get It Out
    • Recovery Loops
    • First Aid Kit and Tool Kit
    • Front Mounted Receiver
    • Power Winch Platform
    • Loading Your Vehicle
  • Towing
    • Towing Your Vehicle
    • Recreational Vehicle Towing
    • Selectable Extended Rear Ride Height
    • Electronically Controlled Air Suspension System
    • Trailer Recommendations
    • Towing a Trailer
• Service and Appearance Care
  • Service
    • Doing Your Own Service Work
    • Adding Equipment to the Outside of Your Vehicle
  • Fuel
    • Gasoline Octane
    • Gasoline Specifications
    • California Fuel
    • Additives
    • Fuels in Foreign Countries
    • Filling the Tank
    • Filling a Portable Fuel Container
  • Checking Things Under the Hood
    • Hood Release
    • Engine Compartment Overview
    • Engine Oil
    • Engine Oil Life System
    • Engine Air Cleaner/Filter
    • Automatic Transmission Fluid
    • Engine Coolant
    • Coolant Surge Tank Pressure Cap
    • Engine Overheating
    • Overheated Engine Protection Operating Mode
    • Cooling System
    • Power Steering Fluid
    • Windshield Washer Fluid
    • Brakes
    • Battery
    • Jump Starting
  • All-Wheel Drive
  • Rear Axle
  • Front Axle
  • Bulb Replacement
    • Halogen Bulbs
    • Headlamps
    • Front Turn Signal and Parking Lamps
    • Daytime Running Lamps (DRL)
    • Roof Marker Lamps
    • Taillamps
    • Replacement Bulbs
  • Windshield Wiper Blade Replacement
  • Tires
    • Tire Sidewall Labelling
    • Tire Terminology and Definitions
    • Inflation - Tire Pressure
    • Tire Inspection and Rotation
    • When It Is Time for New Tires
    • Buying New Tires
    • Uniform Tire Quality Grading
    • Wheel Alignment and Tire Balance
    • Wheel Replacement
    • Tire Chains
    • Accessory Inflator
    • If a Tire Goes Flat
    • Changing a Flat Tire
    • Removing the Spare Tire and Tools
    • Removing the Flat Tire and Installing the Spare Tire
    • Storing a Flat or Spare Tire and Tools
    • Spare Tire
  • Appearance Care
    • Cleaning the Inside of Your Vehicle
    • Fabric/Carpet
    • Leather
    • Instrument Panel, Vinyl, and Other Plastic Surfaces
    • Wood Panels
    • Speaker Covers
    • Care of Safety Belts
    • Weatherstrips
    • Washing Your Vehicle
    • Cleaning Exterior Lamps/Lenses
    • Finish Care
    • Windshield, Backglass, and Wiper Blades
    • Aluminum Wheels
    • Tires
    • Sheet Metal Damage
    • Finish Damage
    • Underbody Maintenance
    • Chemical Paint Spotting
    • Vehicle Care/Appearance Materials
  • Vehicle Identification
    • Vehicle Identification Number (VIN)
    • Service Parts Identification Label
  • Electrical System
    • Add-On Electrical Equipment
    • Windshield Wiper Fuses
    • Power Windows and Other Power Options
    • Fuses and Circuit Breakers
    • Instrument Panel Fuse Block
    • Center Instrument Panel Fuse Block
    • Underhood Fuse Block
  • Capacities and Specifications
• Maintenance Schedule
  • Maintenance Schedule
    • Introduction
    • Maintenance Requirements
    • Your Vehicle and the Environment
    • Using the Maintenance Schedule
    • Scheduled Maintenance
    • Additional Required Services
    • Maintenance Footnotes
    • Owner Checks and Services
    • At Each Fuel Fill
    • At Least Once a Month
    • At Least Once a Year
    • Recommended Fluids and Lubricants
    • Normal Maintenance Replacement Parts
    • Maintenance Record
• Customer Assistance and Information
  • Customer Assistance and Information
    • Customer Satisfaction Procedure
    • Online Owner Center
    • Customer Assistance for Text Telephone (TTY) Users
    • Customer Assistance Offices
    • GM Mobility Reimbursement Program
    • Roadside Assistance Program
    • Courtesy Transportation
    • Vehicle Data Collection and Event Data Recorders
  • Reporting Safety Defects
    • Reporting Safety Defects to the United States Government
    • Reporting Safety Defects to the Canadian Government
    • Reporting Safety Defects to General Motors
    • Service Publications Ordering Information
• Index

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