2004 HUMMER H2 ignition

Heated Seats
Your vehicle may have
heated front seats. The
buttons used to control this
feature are located on the
front doors. The engine
must be running for the
heated seat feature
to work.
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.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
cushion to a slightly higher temperature. You will be able
to feel heat in about two minutes.
To heat only the seatback, press the vertical button with
the heated seatback symbol. An indicator light on the
seatback button will glow to designate that only the
seatback is being heated. Additional presses of
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.
1-4

Heated Seats
If your vehicle has this
feature, the buttons used
to control this feature
are located on the back of
the center console. The
engine must be running for
the heated seat feature
to work.
To heat the seat, press the button to cycle through the
temperature settings of high and low. Press the button a
third time to turn the feature off. An indicator light will glow
for each heat setting when the feature is operating.
The heated rear seats will shut off automatically when
the ignition is turned off.
60/40 Split Bench Seat
The 60/40 split bench seats can be folded to give you
more cargo space.
Folding the Seatbacks
The seatbacks are equipped with rearward folding head
restraints. When the seatback is being folded down,
the head restraint will automatically fold rearward.
To fold the rear seat, do the following:
1. Make sure that nothing is under or in front of
the seat.
2. Pull up on the strap
loop located at the rear
of the seat cushion
and pull the seat
cushion up and fold it
forward.
3. Pull the seatback forward and fold it down until it
is at.
If the seatback cannot fold at because it interferes with
the cushion, try moving the front seat forward and/or
bringing the front seatback more upright.
1-8

To turn off the right front passenger’s air bag, insert
your ignition key into the switch, push in, and move the
switch to the off position.
The air bag off light will come on to let you know that
the right front passenger’s air bag is off. The right front
passenger’s air bag will remain off until you turn it
back on again, and the air bag off light will stay on to
remind you that the air bag is off. United States
Canada
1-70

To turn the right front passenger’s air bag on again,
insert your ignition key into the switch, push in,
and move the switch to the on position.
Servicing Your Air Bag-Equipped
Vehicle
Air bags affect how your vehicle should be serviced.
There are parts of the air bag system in several places
around your vehicle. You don’t want the system to
inate while someone is working on your vehicle. Your
dealer and the service manual have information
about servicing your vehicle and the air bag system. To
purchase a service manual, seeService Publications
Ordering Information on page 7-11.
{CAUTION:
For up to 2 minutes after the ignition key is
turned off and the battery is disconnected, an
air bag can still inate during improper
service. You can be injured if you are close to
an air bag when it inates. Avoid yellow wires,
wires wrapped with yellow tape or yellow
connectors. They are probably part of the air
bag system. Be sure to follow proper service
procedures, and make sure the person
performing work for you is qualied to do so.
The air bag system does not need regular maintenance. Canada
1-72

Keys...............................................................2-2
Remote Keyless Entry System.........................2-3
Remote Keyless Entry System Operation...........2-4
Doors and Locks.............................................2-7
Door Locks....................................................2-7
Power Door Locks..........................................2-8
Delayed Locking.............................................2-9
Programmable Automatic Door Locks................2-9
Rear Door Security Locks..............................2-11
Lockout Protection........................................2-12
Liftgate........................................................2-13
Windows........................................................2-14
Power Windows............................................2-15
Sun Visors...................................................2-16
Theft-Deterrent Systems..................................2-16
Content Theft-Deterrent.................................2-16
Passlock
®....................................................2-18
Starting and Operating Your Vehicle................2-18
New Vehicle Break-In....................................2-18
Ignition Positions..........................................2-19
Starting Your Engine.....................................2-20
Engine Coolant Heater..................................2-21
Automatic Transmission Operation...................2-22
All-Wheel Drive............................................2-25
Parking Brake..............................................2-29Shifting Into Park (P).....................................2-30
Shifting Out of Park (P).................................2-32
Parking Over Things That Burn.......................2-32
Engine Exhaust............................................2-33
Running Your Engine While You Are Parked. . . .2-33
Mirrors...........................................................2-34
Automatic Dimming Rearview Mirror with
Compass and Temperature Display..............2-34
Outside Power Mirrors...................................2-37
Outside Convex Mirror...................................2-38
Outside Heated Mirrors..................................2-39
Outside Automatic Dimming Mirror with Curb
View Assist..............................................2-39
OnStar
®System.............................................2-40
HomeLink®Transmitter...................................2-42
Programming the HomeLink®Transmitter.........2-42
Storage Areas................................................2-45
Glove Box...................................................2-45
Center Overhead Console..............................2-46
Center Console Storage Area.........................2-46
Luggage Carrier...........................................2-46
Rear Seat Armrest........................................2-49
Sunroof.........................................................2-50
Vehicle Personalization...................................2-51
Memory Seat...............................................2-51
Section 2 Features and Controls
2-1

Keys
{CAUTION:
Leaving children in a vehicle with the ignition
key is dangerous for many reasons. They
could operate the power windows or other
controls or even make the vehicle move. The
children or others could be badly injured or
even killed. Do not leave the keys in a vehicle
with children.
2-2

Your vehicle has one
double-sided key for the
ignition and all door locks.
If you ever lose your keys, your dealer will be able to
assist you with obtaining replacements.
In an emergency contact roadside assistance. See
Roadside Assistance Program on page 7-5.
If you ever lock your keys in your vehicle, you may be
able to have your doors unlocked automatically with the
OnStar
®system if you have an active OnStar®
subscription. For more information seeOnStar®System
on page 2-40.
Remote Keyless Entry System
Your keyless entry system operates on a radio
frequency subject to Federal Communications
Commission (FCC) Rules and with Industry Canada.
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
1. This device may not cause interference, and
2. This device must accept any interference received,
including interference that may cause undesired
operation of the device.
This device complies with RSS-210 of Industry Canada.
Operation is subject to the following two conditions:
1. This device may not cause interference, and
2. This device must accept any interference received,
including interference that may cause undesired
operation of the device.
Changes or modications to this system by other than
an authorized service facility could void authorization to
use this equipment.
2-3

Power Door Locks
The power door lock
switches are located on
the driver’s and front
passenger’s armrests.
Q(Lock):Remove the ignition key and press the lock
symbol to lock all of the doors.
If the delayed locking feature is on, the doors will not
lock until ve seconds after the last door is closed. Press
the lock symbol twice to override this feature and lock
all of the doors immediately. SeeDelayed Locking
on page 2-9for more information.
K(Unlock):To unlock the doors, press the unlock
symbol.
Cargo Area Door Lock Switch
Your vehicle may have a
power lock switch in the
cargo area on the
passenger side of the
liftgate opening trim.
This switch operates identically to the power door lock
switches on the driver’s and front passenger’s armrests.
2-8