Hummer 2009 H3 User 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 ............ 2-39
Universal 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 ..................... 5-38
Four-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 Identification ...... 5-90
Electrical System ........... 5-91
Capacities and
Specifications ............ 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 Manual M

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
first 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
specific 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 specific
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
Inflate? ............................1-50
What Makes an Airbag
Inflate? ............................1-52
How Does an Airbag
Restrain? ........................1-52
What Will You See After
an Airbag Inflates? ..........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

The ignition must be on for the
heated seat feature to work. The
seat will heat to the last setting if the
ignition has been turned off and then
turned back on.
For the heated seat feature to work
on the passenger seat the safety
belt must be fastened.
If the controls are located on the
center console, press the button to
turn the heated seat and seatback
on or off.
Each time the button is pressed, the
temperature settings change from
high, to low, to off. Indicator lights
on the button show the level of
heat selected: two for high, and
one for low.
Reclining Seatbacks
{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.
{CAUTION
If either seatback is not locked, it
could move forward in a sudden
stop or crash. That could cause
injury to the person sitting there.
Always push and pull on the
seatbacks to be sure they are
locked.
The seats have manual reclining
seatbacks. The lever used to
operate them is located on the
outboard side of the seats.
To recline the seatback:
1. Lift the recline lever and move the
seatback to the desired position,
then release the lever to lock the
seatback in place.
2. Push and pull on the seatback to
make sure it is locked.
Seats and Restraint System 1-5

To return the seatback to an upright
position:
1. Lift the lever fully without
applying pressure to the
seatback.
2. Push and pull on the seatback to
make sure it is locked.
{CAUTION
Sitting in a reclined position when
the vehicle is in motion can be
dangerous. Even if when buckled
up, the safety belts cannot do
their job when reclined like this.
The shoulder belt cannot do its job
because it will not be against your
body. Instead, it will be in front of
you. In a crash, you could go into
it, receiving neck or other injuries.
(Continued)
CAUTION (Continued)
The lap belt cannot do its job
either. In a crash, the belt could
go up over your abdomen. The
belt forces would be there, not at
your pelvic bones. This could
cause serious internal injuries.
For proper protection when the
vehicle is in motion, have the
seatback upright. Then sit well
back in the seat and wear the
safety belt properly.
Do not have a seatback reclined
when the vehicle is moving.
1-6 Seats and Restraint System

Rear Seats
60/40 Split Bench
Seat (H3)
The 60/40 split bench seats can be
folded for more cargo space.
Folding the Seatbacks
There should be nothing on, under,
or in front of the seat, and the front
seats should be moved forward.
To fold the rear seatback(s):
1. Reach under the front of the seat
and lift the cushion up while
moving it forward.
2. Pull the seat cushion forward
until it rests in the footwell.
Notice: Folding a rear seat with
the safety belts still fastened may
cause damage to the seat or the
safety belts. Always unbuckle the
safety belts and return them to
their normal stowed position
before folding a rear seat.
3. Lift the latch on top of the
seatback and pull the seatback
forward. Fold the seatback
down until it is nearly flat.
4. If the seatback will not fold nearly
flat, try moving the front seat
forward and/or moving the front
seatback more upright.
5. Repeat the steps for the other half
of the 60/40 split bench seat.
Seats and Restraint System 1-7

Returning the Seatbacks to an
Upright Position
{CAUTION
If either seatback is not locked, it
could move forward in a sudden
stop or crash. That could cause
injury to the person sitting there.
Always push and pull on the
seatbacks to be sure they are
locked.
{CAUTION
A safety belt that is improperly
routed, not properly attached, or
twisted will not provide the
protection needed in a crash. The
person wearing the belt could be
seriously injured. After raising the
rear seatback, always check to be
sure that the safety belts are
properly routed and attached, and
are not twisted.
To return the seatback(s) to the
upright position:
1. Lift the seatback up and push it
all the way rearward.
2. Reach under the front seat and
lift the cushion while moving it
rearward until it latches.
3. Pull forward on the seatback and
push down on the seat cushion
to make sure the seat is
securely in place.
1-8 Seats and Restraint System

60/40 Split Bench
Seat (H3T)
Notice: Folding a rear seat with
the safety belts still fastened may
cause damage to the seat or the
safety belts. Always unbuckle the
safety belts and return them to
their normal stowed position
before folding a rear seat.
To fold the rear seatback(s) forward:
1. Disconnect the rear center safety
belt latch from the mini buckle by
inserting the tip of the safety belt
into the slot on the buckle. Let the
belt retract.
2. Pull the loop, located on the
outboard side of the seatback,
forward until you hear a click.
3. Fold the seatback forward slightly
so that the headrest can be
removed.
Seats and Restraint System 1-9

4. Remove the headrest by
pressing the button on the
headrest post, at the top of the
seatback, and lift to remove.
5. Lift the headrest off of the
seatback and store on the back
panel.
To return the seatback(s) to the
upright position:
1. Lift the seatback partially and
reinsert the headrest.
2. Lift the seatback completely and
push it into place.
{CAUTION
If either seatback is not locked, it
could move forward in a sudden
stop or crash. That could cause
injury to the person sitting there.
Always push and pull on the
seatbacks to be sure they are
locked.
3. Make sure the seatback is locked
by pushing and pulling on it.
{CAUTION
A safety belt that is improperly
routed, not properly attached, or
twisted will not provide the
protection needed in a crash.
The person wearing the belt could
be seriously injured. After raising
the rear seatback, always check
to be sure that the safety belts
are properly routed and attached,
and are not twisted.
4. Reconnect the center safety belt
latch plate to the mini buckle.
Make sure the safety belt is not
twisted.
5. Push and pull on the latch plate
to be sure it is secure.
When the seatback is not in use,
it should be kept in the upright,
locked position.
1-10 Seats and Restraint System

Safety Belts
Safety Belts: They Are
for Everyone
This section of the manual describes
how to use safety belts properly.
It also describes some things not to
do with safety belts.
{CAUTION
Do not let anyone ride where a
safety belt cannot be worn
properly. In a crash, if you or your
passenger(s) are not wearing
safety belts, the injuries can be
much worse. You can hit things
inside the vehicle harder or be
ejected from the vehicle. You and
your passenger(s) can be seriously
injured or killed. In the same crash,
you might not be, if you are
buckled up. Always fasten your
safety belt, and check that your
passenger(s) are restrained
properly too.
{CAUTION
It is extremely dangerous to ride
in a cargo area, inside or outside
of a vehicle. In a collision, people
riding in these areas are more
likely to be seriously injured or
killed. Do not allow people to ride
in any area of your vehicle that is
not equipped with seats and
safety belts. Be sure everyone in
your vehicle is in a seat and using
a safety belt properly.
{CAUTION
People riding on the tailgate
(if equipped) can easily lose their
balance and fall even when the
vehicle is operated at low speeds.
Falling from a moving vehicle may
result in serious injuries or death.
This vehicle has indicators as a
reminder to buckle the safety belts.
See Safety Belt Reminders on
page 3-24.
In most states and in all Canadian
provinces, the law requires
wearing safety belts. Here is why:
You never know if you will be in a
crash. If you do have a crash, you do
not know if it will be a serious one.
A few crashes are mild, and some
crashes can be so serious that even
buckled up, a person would not
survive. But most crashes are in
between. In many of them, people
who buckle up can survive and
sometimes walk away. Without
safety belts they could have been
badly hurt or killed.
After more than 40 years of safety
belts in vehicles, the facts are clear.
In most crashes buckling up does
matter... a lot!
Seats and Restraint System 1-11

Why Safety Belts Work
When you ride in or on anything,
you go as fast as it goes.
Take the simplest vehicle. Suppose
it is just a seat on wheels.
Put someone on it. Get it up to speed. Then stop the
vehicle. The rider does not stop.
1-12 Seats and Restraint System

The person keeps going until
stopped by something. In a real
vehicle, it could be the windshield...
or the instrument panel... or the safety belts!
With safety belts, you slow down as
the vehicle does. You get more time
to stop. You stop over more distance,
and your strongest bones take the
forces. That is why safety belts make
such good sense.
Seats and Restraint System 1-13

Questions and Answers About
Safety Belts
Q: Will I be trapped in the vehicle
after a crash if I am wearing a
safety belt?
A: You could be — whether you are
wearing a safety belt or not. But
your chance of being conscious
during and after an accident, so
you can unbuckle and get out, is
much greater if you are belted.
And you can unbuckle a safety
belt, even if you are upside down.
Q: If my vehicle has airbags,
why should I have to wear
safety belts?
A: Airbags are supplemental
systems only; so they work with
safety belts — not instead of
them. Whether or not an airbag is
provided, all occupants still have
to buckle up to get the most
protection. That is true not only in
frontal collisions, but especially
in side and other collisions.
Q: If I am a good driver, and I
never drive far from home, why
should I wear safety belts?
A: You may be an excellent driver,
but if you are in a crash — even
one that is not your fault — you
and your passenger(s) can be
hurt. Being a good driver does not
protect you from things beyond
your control, such as bad drivers.
Most accidents occur within
25 miles (40 km) of home. And
the greatest number of serious
injuries and deaths occur at
speeds of less than 40 mph
(65 km/h).
Safety belts are for everyone.
How to Wear Safety Belts
Properly
This section is only for people of
adult size.
Be aware that there are special
things to know about safety
belts and children. And there are
different rules for smaller children
and infants. If a child will be riding in
the vehicle, see Older Children on
page 1-25 or Infants and Young
Children on page 1-28. Follow those
rules for everyone’s protection.
It is very important for all occupants
to buckle up. Statistics show that
unbelted people are hurt more often
in crashes than those who are
wearing safety belts.
Occupants who are not buckled up
can be thrown out of the vehicle in a
crash. And they can strike others
in the vehicle who are wearing
safety belts.
1-14 Seats and Restraint System

First, before you or your
passenger(s) wear a safety belt,
there is important information
you should know.
Sit up straight and always keep your
feet on the floor in front of you. The
lap part of the belt should be worn
low and snug on the hips, just
touching the thighs. In a crash, this
applies force to the strong pelvic
bones and you would be less likely to
slide under the lap belt. If you slid
under it, the belt would apply force
on your abdomen. This could
cause serious or even fatal injuries.
The shoulder belt should go over
the shoulder and across the chest.
These parts of the body are best able
to take belt restraining forces.
The shoulder belt locks if there is a
sudden stop or crash.
Q: What is wrong with this?
A: The shoulder belt is too loose.
It will not give as much
protection this way.
{CAUTION
You can be seriously hurt if your
shoulder belt is too loose. In a
crash, you would move forward
too much, which could increase
injury. The shoulder belt should fit
snugly against your body.
Seats and Restraint System 1-15

Q: What is wrong with this?
A: The lap belt is too loose. It will not
give nearly as much protection
this way.
{CAUTION
You can be seriously hurt if your
lap belt is too loose. In a crash,
you could slide under the lap belt
and apply force on your abdomen.
This could cause serious or even
fatal injuries. The lap belt should
be worn low and snug on the
hips, just touching the thighs.
Q: What is wrong with this?
A: The belt is buckled in the wrong
buckle.
1-16 Seats and Restraint System