2009 HUMMER H3 Owners Manual

Seats and Restraint
System............................... 1-1
Head Restraints
.............. 1-2
Front Seats
.................... 1-3
Rear Seats
.................... 1-7
Safety Belts
..................1-11
Child Restraints
.............1-25
Airbag System
..............1-46
Restraint System
Check
......................1-60
Features and Controls...... 2-1
Keys
............................. 2-2
Doors and Locks
............ 2-5
Windows
........................ 2-9
Theft-Deterrent
Systems
...................2-11
Starting and Operating Your
Vehicle
.....................2-15
Mirrors
.........................2-33
Object Detection
Systems
...................2-36
OnStar
®System
............2-39Universal Home
Remote System
.........2-42
Storage Areas
...............2-47
Sunroof
........................2-50
Instrument Panel............... 3-1
Instrument Panel
Overview
.................... 3-4
Climate Controls
............3-19
Warning Lights, Gages,
and Indicators
............3-22
Driver Information
Center (DIC)
.............3-34
Audio System(s)
............3-41
Driving Your Vehicle......... 4-1
Your Driving, the Road,
and the Vehicle
........... 4-1
Towing
........................4-40
Service and
Appearance Care............... 5-1
Service
.......................... 5-3
Fuel
.............................. 5-5
Checking Things Under
the Hood
.................... 5-9
Rear Axle
.....................5-38Four-Wheel Drive
..........5-38
Front Axle
....................5-39
Headlamp Aiming
..........5-39
Bulb Replacement
.........5-41
Windshield Wiper Blade
Replacement
.............5-44
Tires
...........................5-44
Appearance Care
..........5-83
Vehicle Identication
......5-90
Electrical System
...........5-91
Capacities and
Specications
............5-96
Maintenance Schedule...... 6-1
Maintenance Schedule
..... 6-1
Customer Assistance
Information........................ 7-1
Customer Assistance and
Information
................. 7-1
Reporting Safety
Defects
.....................7-14
Vehicle Data Recording
and Privacy
...............7-16
Index....................................i-1
2009 HUMMER H3/H3T Owner ManualM

GENERAL MOTORS, GM, the GM
Emblem, HUMMER, H3 and H3T
are trademarks of General Motors
Corporation.
This manual includes the latest
information at the time it was
printed. GM reserves the right to
make changes after that time
without further notice. For vehicles
rst sold in Canada, substitute
the name “General Motors of
Canada Limited” for HUMMER
wherever it appears in this manual.This manual describes features
that may or may not be on your
specic vehicle.
Read this manual from beginning to
end to learn about the vehicle’s
features and controls. Pictures,
symbols, and words work together
to explain vehicle operation.
Keep this manual in the vehicle for
quick reference.
Canadian Owners
A French language copy of this
manual can be obtained from your
dealer/retailer or from:
Helm, Incorporated
P.O. Box 07130
Detroit, MI 48207
1-800-551-4123
helminc.com
Propriétaires Canadiens
On peut obtenir un exemplaire de
ce guide en français auprès de
concessionnaire ou à l’adresse
suivante:
Helm Incorporated
P.O. Box 07130
Detroit, MI 48207
1-800-551-4123
helminc.com
Index
To quickly locate information about
the vehicle use 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.
ii Preface
Litho in U.S.A.
Part No. 15891522 A First Printing©2008 General Motors Corporation. All Rights Reserved.

Safety Warnings and
Symbols
A circle with a slash through it is a
safety symbol which means “Do Not,”
“Do not do this” or “Do not let this
happen.”
A box with the word CAUTION is
used to tell about things that could
hurt you or others if you were to
ignore the warning.
{CAUTION
These mean there is something
that could hurt you or other people.Cautions tell what the hazard is and
what to do to avoid or reduce the
hazard. Read these cautions.
A notice tells about something that
can damage the vehicle.
Notice:These mean there is
something that could damage
your vehicle.
Many times, this damage would
not be covered by the vehicle’s
warranty, and it could be costly.
The notice tells what to do to help
avoid the damage.
There are also warning labels on
the vehicle which use the same
words, CAUTION or Notice.
Vehicle Symbols
The vehicle has components and
labels that use symbols instead
of text. Symbols are shown along
with the text describing the operation
or information relating to a specic
component, control, message,
gage, or indicator.
M:This symbol is shown when
you need to see your owner manual
for additional instructions or
information.
*:This symbol is shown when
you need to see a service manual
for additional instructions or
information.
Preface iii

Vehicle Symbol Chart
Here are some additional symbols
that may be found on the vehicle
and what they mean. For more
information on the symbol, refer to
the index.
9:Airbag Readiness Light
#:Air Conditioning
!:Antilock Brake System (ABS)
g:Audio Steering Wheel Controls
or OnStar®
$:Brake System Warning Light
":Charging System
I:Cruise Control
B:Engine Coolant Temperature
O:Exterior Lamps
#:Fog Lamps
.:Fuel Gage
+:Fuses
i:Headlamp High/Low-Beam
Changer
j:LATCH System Child Restraints
*:Malfunction Indicator Lamp
::Oil Pressure
}:Power
/:Remote Vehicle Start
>:Safety Belt Reminders
7:Tire Pressure Monitor
F:Traction Control
M:Windshield Washer Fluid
iv Preface

Seats and
Restraint System
Head Restraints
Head Restraints..................1-2
Front Seats
Manual Seats.....................1-3
Power Seats.......................1-3
Manual Lumbar..................1-4
Power Lumbar....................1-4
Heated Seats.....................1-4
Reclining Seatbacks...........1-5
Rear Seats
60/40 Split Bench
Seat (H3)..........................1-7
60/40 Split Bench
Seat (H3T)........................1-9
Safety Belts
Safety Belts: They Are for
Everyone.........................1-11
How to Wear Safety Belts
Properly..........................1-14
Lap-Shoulder Belt.............1-20
Safety Belt Use During
Pregnancy.......................1-25
Safety Belt Extender.........1-25
Child Restraints
Older Children..................1-25
Infants and Young
Children..........................1-28
Child Restraint Systems. . . .1-31
Where to Put the
Restraint.........................1-32
Lower Anchors and
Tethers for Children
(LATCH)
..........................1-34
Securing a Child
Restraint in a Rear
Outside Seat Position
......1-41
Securing a Child
Restraint in the Center
Rear Seat Position
..........1-43
Securing a Child
Restraint in the Right
Front Seat Position
.........1-43
Airbag System
Airbag System..................1-46
Where Are the Airbags?. . .1-49
When Should an Airbag
Inate?............................1-50
What Makes an Airbag
Inate?............................1-52
How Does an Airbag
Restrain?........................1-52
What Will You See After
an Airbag Inates?..........1-52
Passenger Sensing
System............................1-54
Servicing Your
Airbag-Equipped Vehicle. .1-58
Adding Equipment to
Your Airbag-Equipped
Vehicle
............................1-58
Restraint System Check
Checking the Restraint
Systems..........................1-60
Replacing Restraint
System Parts After a
Crash
..............................1-60
Seats and Restraint System 1-1

Head Restraints
The front seats have adjustable
head restraints in the outboard
seating positions.
{CAUTION
With head restraints that are not
installed and adjusted properly,
there is a greater chance that
occupants will suffer a neck/spinal
injury in a crash. Do not drive until
the head restraints for all
occupants are installed and
adjusted properly.Adjust the head restraint so that the
top of the restraint is at the same
height as the top of the occupant’s
head. This position reduces the
chance of a neck injury in a crash.Pull the head restraint up to raise it.
To lower the head restraint, press
the button, located on the top of
the seatback, and push the
restraint down.
Push down on the head restraint
after the button is released to make
sure that it is locked in place.
The head restraints are not
designed to be removed.
1-2 Seats and Restraint System

Front Seats
Manual Seats
{CAUTION
You can lose control of the
vehicle if you try to adjust a
manual driver’s seat while the
vehicle is moving. The sudden
movement could startle and
confuse you, or make you push a
pedal when you do not want to.
Adjust the driver’s seat only when
the vehicle is not moving.To move a manual seat forward or
rearward:
1. Lift the bar to unlock the seat.
2. Slide the seat to the desired
position and release the bar.
Try to move the seat with your body
to be sure the seat is locked in place.
Power Seats
On a vehicle with power seats, the
controls used to operate them are
located on the outboard side of the
seats.
To adjust the seat:
Move the seat forward or
rearward by sliding the control
forward or rearward.
Raise or lower the front or rear
part of the seat cushion by
moving the front or rear of the
control up or down.
Raise or lower the entire seat
cushion by moving the control
up or down.
Seats and Restraint System 1-3

Manual Lumbar
On vehicles with this feature, the
knob is located on the outboard side
of the seat.
Turn the knob clockwise or
counterclockwise to increase or
decrease the lumbar support.
Power Lumbar
On vehicles with this feature, the
control is located on the outboard
side of the seat(s).
To increase or decrease lumbar
support, press and hold the front or
rear of the control.
Heated Seats
This feature heats the cushion and
seatbacks.
On vehicles with this feature the
controls may be located on the
outboard sides of the front seats.
Press the top of the switch to turn
the heat to the high setting. Press
the bottom of the switch to turn the
heat to the low setting. Put the switch
in the center position to turn the
heat off.
1-4 Seats and Restraint System