Hummer H2 2004 User Manual

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2004 HUMMER H2 Owner Manual M

Seats and Restraint Systems ...........................	1-1
Front Seats ...............................................	1-2
Rear Seats ...............................................	1-7
Safety Belts .............................................	1-16
Child Restraints .......................................	1-38
Air Bag System .......................................	1-61
Restraint System Check ............................	1-73
Features and Controls .....................................	2-1
Keys ........................................................	2-2
Doors and Locks .......................................	2-7
Windows .................................................	2-14
Theft-Deterrent Systems ............................	2-16
Starting and Operating Your Vehicle ...........	2-18
Mirrors ....................................................	2-34
OnStar® System ......................................	2-40
HomeLink® Transmitter .............................	2-42
Storage Areas .........................................	2-45
Sunroof ..................................................	2-50
Vehicle Personalization .............................	2-51
Instrument Panel .............................................	3-1
Instrument Panel Overview ..........................	3-2
Climate Controls ......................................	3-19
Warning Lights, Gages, and Indicators ........	3-26
Driver Information Center (DIC) ..................	3-44
Audio System(s) .......................................	3-62

Driving Your Vehicle .......................................	4-1
Your Driving, the Road, and Your Vehicle	..... 4-2
Towing ...................................................	4-65
Service and Appearance Care ..........................	5-1
Service .....................................................	5-3
Fuel .........................................................	5-5
Checking Things Under the Hood ...............	5-10
All-Wheel Drive ........................................	5-48
Rear Axle ...............................................	5-50
Front Axle ...............................................	5-51
Bulb Replacement ....................................	5-52
Windshield Wiper Blade Replacement .........	5-59
Tires ......................................................	5-60
Appearance Care .....................................	5-92
Vehicle Identiﬁcation ...............................	5-101
Electrical System ....................................	5-101
Capacities and Speciﬁcations ...................	5-111
Maintenance Schedule .....................................	6-1
Maintenance Schedule ................................	6-2
Customer Assistance and Information ..............	7-1
Customer Assistance and Information ...........	7-2
Reporting Safety Defects ...........................	7-10
Index ................................................................	1

GENERAL MOTORS, GM, the GM Emblem, HUMMER and the name HUMMER is a registered trademark

and H2 is a trademark of General Motors Corporation.

This manual includes the latest information at the time it was printed. We reserve the right to make changes after that time without further notice. For vehicles ﬁrst sold in Canada, subsitute the name “General Motors of Canada Limited” for HUMMER whenever it appears

in this manual.

Please keep this manual in your vehicle, so it will be there if you ever need it when you’re on the road. If you sell the vehicle, please leave this manual in it so the new owner can use it.

Canadian Owners

You can obtain a French language copy of this manual from your dealer or from:

Helm, Incorporated

P.O. Box 07130

Detroit, MI 48207

How to Use This Manual

Many people read their owner’s manual from beginning to end when they ﬁrst receive their new vehicle. If

you do this, it will help you learn about the features and controls for your vehicle. In this manual, you will ﬁnd that pictures and words work together to explain things.

Index

A good place to look for what you need is the Index in back of the manual. It is an alphabetical list of what is in the manual, and the page number where you will ﬁnd it.

Litho in U.S.A.	© Copyright General Motors Corporation 08/01/03
Part No. S2427 A First Edition	All Rights Reserved

Safety Warnings and Symbols

You will ﬁnd a number of safety cautions in this book. We use a box and the word CAUTION to tell you about things that could hurt you if you were to ignore the warning.

{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 don’t, you or others could be hurt.

You will also ﬁnd a circle with a slash through it in this book. This safety symbol means “Don’t,” “Don’t do this” or “Don’t let this happen.”

iii

Vehicle Damage Warnings

Also, in this book you will ﬁnd these notices:

Notice: These mean there is something that could damage your vehicle.

A notice will tell you about something that can damage your vehicle. Many times, this damage would not be covered by your warranty, and it could be costly. But the notice will tell you what to do to help avoid the

damage.

When you read other manuals, you might see CAUTION and NOTICE warnings in different colors or in different words.

You’ll also see warning labels on your vehicle. They use the same words, CAUTION or NOTICE.

Vehicle Symbols

Your vehicle has components and labels that use symbols instead of text. Symbols, used on your vehicle, are shown along with the text describing the operation or information relating to a speciﬁc component, control, message, gage or indicator.

If you need help ﬁguring out a speciﬁc name of a component, gage or indicator, reference the following topics:

•Seats and Restraint Systems in Section 1

•Features and Controls in Section 2

•Instrument Panel Overview in Section 3

•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

These are some examples of symbols you may ﬁnd on your vehicle:

NOTES

Section 1 Seats and Restraint Systems

Front Seats ......................................................	1-2
Power Seats ..................................................	1-2
Power Lumbar ...............................................	1-3
Heated Seats .................................................	1-4
Reclining Seatbacks ........................................	1-5
Head Restraints .............................................	1-6
Rear Seats .......................................................	1-7
Rear Seat Operation .......................................	1-7
Heated Seats .................................................	1-8
60/40 Split Bench Seat ...................................	1-8
Third Row Seats ...........................................	1-10
Safety Belts ...................................................	1-16
Safety Belts: They Are for Everyone ................	1-16
Questions and Answers About Safety Belts ......	1-21
How to Wear Safety Belts Properly .................	1-21
Driver Position ..............................................	1-22
Safety Belt Use During Pregnancy ..................	1-29
Right Front Passenger Position .......................	1-30
Rear Seat Passengers ..................................	1-30
Rear Safety Belt Comfort Guides for Children
and Small Adults .......................................	1-34
Safety Belt Extender .....................................	1-37
Child Restraints .............................................	1-38
Older Children ..............................................	1-38
Infants and Young Children ............................	1-40
Child Restraint Systems .................................	1-44

Where to Put the Restraint .............................	1-47
Top Strap ....................................................	1-48
Top Strap Anchor Location .............................	1-49
Lower Anchorages and Top Tethers for
Children (LATCH System) ...........................	1-50
Securing a Child Restraint Designed for the
LATCH System .........................................	1-52
Securing a Child Restraint in a Rear Seat
Position ...................................................	1-53
Securing a Child Restraint in the Right Front
Seat Position ............................................	1-55
Air Bag System ..............................................	1-61
Where Are the Air Bags? ...............................	1-63
When Should an Air Bag Inﬂate? ....................	1-65
What Makes an Air Bag Inﬂate? .....................	1-65
How Does an Air Bag Restrain? .....................	1-65
What Will You See After an Air Bag Inﬂates? ...1-66
Air Bag Off Switch ........................................	1-68
Servicing Your Air Bag-Equipped Vehicle .........	1-72
Adding Equipment to Your Air Bag-Equipped
Vehicle ....................................................	1-73
Restraint System Check ..................................	1-73
Checking Your Restraint Systems ...................	1-73
Replacing Restraint System Parts After a
Crash ......................................................	1-74

1-1

Front Seats

Power Seats

The power seat controls are located on the outboard edge of the front seats.

Horizontal Control: This control adjusts the seat cushion.

•Raise or lower the front of the seat by raising or 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.

Your vehicle may have a memory function which allows seat settings to be saved and recalled. See Memory Seat on page 2-51 for more information.

1-2

Power Lumbar

Your vehicle’s seats may be equipped with power lumbar.

You can increase or decrease lumbar support in an area of the lower seatback with this control, located on the outboard sides of the front seat(s).

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.

You can also reshape the side wing area of the lower seatback for more lateral support.

To increase support, press and hold the top of the control. To decrease support, press and hold the bottom of the control. Let go of the control when the lower seatback reaches the desired level of support.

Your vehicle may have a memory function which allows seat settings to be saved and recalled. See Memory Seat on page 2-51 for more information.

1-3

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

Reclining Seatbacks

Your vehicle’s front seatbacks have a recline feature which is described earlier. See Power Seats on page 1-2.

But don’t have a seatback reclined if your vehicle is moving.

{CAUTION:

Sitting in a reclined position when your vehicle is in motion can be dangerous. Even if you buckle up, your safety belts can’t do their job when you’re reclined like this.

The shoulder belt can’t do its job. In a crash, you could go into it, receiving neck or other injuries.

The lap belt can’t 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 your safety belt properly.

1-5

Head Restraints

Adjust your head restraint so that the top of the restraint is closest to the top of your head. This position

reduces the chance of a neck injury in a crash.

Pull straight up on the head restraint to raise it and push it down to lower it.

The front head restraints can also be tilted forward in addition to being slid up or down. To tilt either of

the front head restraints do the following:

Pull the head restraint toward you until you hear a click. Then let go. The head restraint will stay in this position unless you pull it forward more until another click is heard. There are four positions available: initial position, ﬁrst click, second click, and third click. After the third position (three clicks) is reached, pulling the head restraint farther will release it back to the normal upright position.

The rear head restraints can be slid up or down just as the front head restraints, but they do not tilt.

1-6

Rear Seats

Rear Seat Operation

Entering or Exiting the Third Row Seats

To enter or exit the third row seat (if equipped) you must fold the second row seat down following the instructions later in this section. See “Folding the Seatbacks” under 60/40 Split Bench Seat on page 1-8. If you are exiting the third row seat with no assistance, do the following:

1. Reach over the second row seat and pull up on the strap loop. Then pull the seat cushion up and push it forward.

2.Next, push the seatback forward until it is ﬂat with the ﬂoor.

Be sure to return the seat to the upright position when ﬁnished. Pull forward and push rearward on the seat to make sure it is locked in place.

{CAUTION:

If the seatback isn’t locked, it could move forward in a sudden stop or crash. That could cause injury to the person sitting there. Always press rearward on the seatback to be sure it is locked.

1-7

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 ﬂat.

If the seatback cannot fold ﬂat because it interferes with the cushion, try moving the front seat forward and/or bringing the front seatback more upright.

1-8

Returning the Seats to an Upright Position

{CAUTION:

If the seatback isn’t locked, it could move forward in a sudden stop or crash. That could cause injury to the person sitting there. Always press rearward on the seatback to be sure it is locked.

{CAUTION:

A safety belt that is improperly routed, not properly attached, or twisted won’t 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 seat(s) to the upright position, do the following:

1.Lift the seatback up and push it rearward all the way.

2.Lower the seat cushion until it latches into position.

3.Pull forward on the seatback and up on the seat cushion to make sure the seat is securely in place.

4.Return the head restraints to the upright position.

5.Check to see that the safety belt buckles on

the driver’s side seat are accessible to the outboard and center occupants and are not under the seat cushions.

1-9

Third Row Seats

If your vehicle has a third row seat, the seatback can be folded and the entire seat tilted or removed from the vehicle.

Folding the Seatback

To fold the seatback, do the following:

1. Pull up on the release lever, labeled 1, located on the rear of the seatback, and push the seatback forward.

Unfolding the Seatback

{CAUTION:

If the seatback isn’t locked, it could move forward in a sudden stop or crash. That could cause injury to the person sitting there. Always press rearward on the seatback to be sure it is locked.

1-10

To return the seatback to the passenger position, do the following:

1. Pull up on the release lever labeled 1 and then pull up on

the seatback until the seatback locks into the upright position.

2.Push forward on the seatback to make sure it is locked into position.

Tilting the Seat

1.Fold the seatback forward using the instructions listed previously.

2.Unlatch the seat from the ﬂoor by pulling up on the lever labeled 2, located on the rear

of the seat.

3.Lift the rear of the seat up from the ﬂoor and push it forward until it locks into place. You will not be able to unlatch the seat from the ﬂoor unless the seatback is folded down.

The seat will now remain locked in the upright position.

1-11

Returning the Seat to an Upright Position

{CAUTION:

If the seatback isn’t locked, it could move forward in a sudden stop or crash. That could cause injury to the person sitting there. Always press rearward on the seatback to be sure it is locked.

To return the seatback to an upright position, do the following:

1.Pull the lever labeled 3 toward you.

2.While still holding lever 3 toward you, grasp the top of the seat and pull it toward you slightly.

3.Let go of lever 3 and pull the seat completely down.

4.Push down on the seat ﬁrmly. Try pulling it up to be sure it is locked into place.

1-12

5.Pull up on the release lever labeled 1 and then pull up on

the seatback until the seatback locks into the upright position.

Removing the Seat

To remove the seat, do the following:

1. Open the liftgate.

2. Fold the seatback forward onto the seat cushion by using

the lever labeled 1. The seat cannot

be removed unless the seatback is folded.

1-13

3.To unlatch the rear of the seat from the ﬂoor, pull up on the release lever labeled 2, at

the rear of the seat, and lift the rear of the seat up from the ﬂoor.

4.Squeeze the release handle while pulling the seat out.

5.While holding the rear of the seat up, roll the seat out of the vehicle.

1-14

Replacing the Seat

{CAUTION:

If the seatback isn’t locked, it could move forward in a sudden stop or crash. That could cause injury to the person sitting there. Always press rearward on the seatback to be sure it is locked.

{CAUTION:

A seat that isn’t locked into place properly can move around in a collision or sudden stop. People in the vehicle could be injured. Be sure to lock the seat into place properly when installing it.

{CAUTION:

To replace the seat, do the following:

1.While holding the rear of the seat up, slide the front wheels into the slots on the ﬂoor. The front latches should lock into place. If the latches do not lock, try tilting the rear of the seat upwards.

1-15

2. Once the latches are engaged, let the seat drop into place.

Release the lever labeled 1 and pull the seatback up to return it to its upright position.

3.Push and pull on the seat to make sure it is locked into place. The seatback cannot be raised to the upright position unless the seat is secured to

the ﬂoor.

Safety Belts

Safety Belts: They Are for Everyone

This part of the manual tells you how to use safety belts properly. It also tells you some things you should not do with safety belts.

{CAUTION:

Don’t let anyone ride where he or she can’t wear a safety belt properly. If you are in a crash and you’re not wearing a safety belt, your injuries can be much worse. You can hit things inside the vehicle or be ejected from it. You 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 passengers’ belts are fastened properly too.

1-16

{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.

Your vehicle has a light that comes on as a reminder to buckle up. See

Safety Belt Reminder Light on page 3-28.

In most states and in all Canadian provinces, the law says to wear safety belts. Here’s why: They work.

You never know if you’ll be in a crash. If you do have a crash, you don’t know if it will be a bad one.

A few crashes are mild, and some crashes can be so serious that even buckled up, a person wouldn’t survive. But most crashes are in between. In many of them, people who buckle up can survive and sometimes walk away. Without belts they could have been badly hurt

or killed.

After more than 30 years of safety belts in vehicles, the facts are clear. In most crashes buckling up does matter... a lot!

1-17

Why Safety Belts Work

When you ride in or on anything, you go as fast as it goes.

Put someone on it.

Take the simplest vehicle. Suppose it’s just a seat on wheels.

1-18

Get it up to speed. Then stop the vehicle. The rider doesn’t stop.

The person keeps going until stopped by something. In

a real vehicle, it could be the windshield...

1-19

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’s why
	safety belts make such good sense.

1-20

Questions and Answers About

Safety Belts

Q: Won’t I be trapped in the vehicle after an accident if I’m wearing a safety belt?

A: You could be – whether you’re wearing a safety belt or not. But you can unbuckle a safety belt, even if you’re upside down. And your chance

of being conscious during and after an accident, so you can unbuckle and get out, is much greater if you are belted.

Q: If my vehicle has air bags, why should I have to wear safety belts?

A: Air bags are in many vehicles today and will be in most of them in the future. But they are supplemental systems only; so they work with safety belts – not instead of them. Every air bag system ever offered for sale has required the

use of safety belts. Even if you’re in a vehicle that has air bags, you still have to buckle up to get the most protection. That’s true not only in frontal collisions, but especially in side and other collisions.

Q: If I’m 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’re in an accident – even one that isn’t your fault – you and your passengers can be hurt. Being a good

driver doesn’t 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 part 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 babies. If a child will be

riding in your vehicle, see Older Children on page 1-38 or Infants and Young Children on page 1-40. Follow those rules for everyone’s protection.

First, you’ll want to know which restraint systems your vehicle has.

We’ll start with the driver position.

1-21

Driver Position

This part describes the driver’s restraint system.

Lap-Shoulder Belt

The driver has a lap-shoulder belt. Here is how to wear it properly.

1.Close and lock the door.

2.Adjust the seat so you can sit up straight. To see how, see “Seats” in the Index

3.Pick up the latch plate and pull the belt across you. Do not let it get twisted.

The shoulder belt may lock if you pull the belt across you very quickly. If this happens, let the belt go back slightly to unlock it. Then pull the belt across you more slowly.

4.Push the latch plate into the buckle until it clicks.

Pull up on the latch plate to make sure it is secure. If the belt is not long enough, see Safety Belt Extender on page 1-37.

Make sure the release button on the buckle is positioned so you would be able to unbuckle the safety belt quickly if you ever had to.

1-22

5.To make the lap part tight, pull down on the buckle end of the belt as you pull up on the shoulder belt.

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 at 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 safety belt locks if there is a sudden stop or a crash, or if you pull the belt very quickly out of the retractor.

1-23

Q: What’s wrong with this?

A: The shoulder belt is too loose. It will not give nearly 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 against your body.

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