stop start HUMMER H2 2005 User Guide

If the Light is Flashing
The following may prevent more serious damage to
your vehicle:
Reducing vehicle speed
Avoiding hard accelerations
Avoiding steep uphill grades
If you are towing a trailer, reduce the amount of
cargo being hauled as soon as it is possible
If the light stops ashing and remains on steady, see
“If the Light Is On Steady” following.
If the light continues to ash, when it is safe to do so,
stop the vehicle. Find a safe place to park your vehicle.
Turn the key off, wait at least 10 seconds and restart
the engine. If the light remains on steady, see “If
the Light Is On Steady” following. If the light is still
ashing, follow the previous steps, and see your dealer
for service as soon as possible.
If the Light Is On Steady
You may be able to correct the emission system
malfunction by considering the following:
Did you recently put fuel into your vehicle?
If so, reinstall the fuel cap, making sure to fully install
the cap. SeeFilling Your Tank on page 5-7. The
diagnostic system can determine if the fuel cap has
been left off or improperly installed. A loose or missing
fuel cap will allow fuel to evaporate into the atmosphere.
A few driving trips with the cap properly installed
should turn the light off.
Did you just drive through a deep puddle of water?
If so, your electrical system may be wet. The condition
will usually be corrected when the electrical system
dries out. A few driving trips should turn the light off.
Have you recently changed brands of fuel?
If so, be sure to fuel your vehicle with quality fuel. See
Gasoline Octane on page 5-5. Poor fuel quality will
cause your engine not to run as efficiently as designed.
You may notice this as stalling after start-up, stalling
when you put the vehicle into gear, misring, hesitation
on acceleration, or stumbling on acceleration. (These
conditions may go away once the engine is warmed up.)
This will be detected by the system and cause the
light to turn on.
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Trip B:Press the trip information button until TRIP B
appears on the display. This mode shows the current
distance traveled since the last reset for TRIP B in either
miles or kilometers.
To reset TRIP A or TRIP B information, press and hold
the select button for one second while in one of the
trip modes. This will reset the information for TRIP A or
TRIP B.
You can also reset TRIP A or TRIP B while they are
displayed by pressing the reset stem on the cluster. If
you press and hold the reset stem or the select
button for four seconds, the display will show the
distance traveled since the last ignition cycle for TRIP A
or TRIP B.
Tire Pressures:The tire pressure mode is available
only on vehicles equipped with a tire pressure monitor.
Press the trip information button until TIRE
PRESSURES appears on the display. This mode shows
the tire pressure in pounds per square inch (psi) or
kilopascals (kPa). Press the select button to scroll
through the following information:
LF TIRE shows the tire pressure for the left
front tire.
RF TIRE shows the tire pressure for the right
front tire.
LR TIRE shows the tire pressure for the left
rear tire.
RR TIRE shows the tire pressure for the right
rear tire.
Timer:The DIC can be used as a timer. Press the
select button while TIMER is displayed to start the timer.
The display will show the amount of time that has
passed since the timer was last reset, not including time
the ignition is off. Time will continue to be counted as
long as the ignition is on, even if another display is being
shown on the DIC. The timer will record up to 99 hours,
59 minutes and 59 seconds (99:59:59) after which
the display will roll back to zero.
To stop the counting of time, press the select button
briey while TIMER is displayed.
To reset the timer to zero, press and hold the select
button while TIMER is displayed.
Engine Hours:Press the trip information button until
ENGINE HOURS appears on the display. This
mode shows the total number of hours the engine has
run. Pressing and holding the reset stem located on
the instrument cluster for about four seconds will also
display the engine hour information after the odometer is
displayed when the vehicle is off.
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OIL PRESSURE LOW
If low oil pressure levels occur, this message will be
displayed on the DIC and a chime will sound. Stop the
vehicle as soon as safely possible and do not operate
it until the cause of the low oil pressure has been
corrected. Check your oil as soon as possible and have
your vehicle serviced by your GM dealer.
PASSENGER DOOR AJAR
If the passenger’s door is not fully closed and the
vehicle is in a drive gear, this message will appear on
the display and you will hear a chime. Stop and turn off
the vehicle, check the door for obstacles, and close
the door again. Check to see if the message still
appears on the DIC. Pressing any of the four DIC
buttons or the trip odometer reset stem will clear the
message from the DIC display.
REAR ACCESS OPEN
On the SUV, if the liftgate is open while the ignition is in
RUN, this message will appear on the DIC and you will
hear a chime. Turn off the vehicle and check the liftgate.
Restart the vehicle and check for the message on the DIC
display. Pressing any of the four DIC buttons or the trip
odometer reset stem will clear the message from the DIC
display.On the SUT, if the midgate is open or one or both of the
midgate latches are not fully closed, this message will
appear on the DIC. Turn off the vehicle and check that
the midgate and the latches are closed. Restart the
vehicle and check for the message on the DIC display.
Pressing any of the four DIC buttons or the trip odometer
reset stem will clear the message from the DIC display.
REDUCED ENGINE POWER
This message is displayed when the cooling system
temperature gets too hot and the engine further enters
the engine coolant protection mode.
SeeEngine Overheating on page 5-26for further
information.
You may also see this message when the vehicle
determines a problem with the electronic throttle control.
See your GM dealer for service.
REPLACE LIFTGATE FUSE
This message will be displayed if the liftgate lock
malfunctions and/or the liftgate fuse blows. For more
information on fuses, seeInstrument Panel Fuse Block
on page 5-103andUnderhood Fuse Block on
page 5-107.
If the message returns after replacing the fuse, see your
GM dealer for service.
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RIGHT REAR DOOR AJAR
If the passenger’s side rear door is not fully closed and
the vehicle is in a drive gear, this message will
appear on the display and you will hear a chime. Stop
and turn off the vehicle, check the door for obstacles,
and close the door again. Check to see if the message
still appears on the DIC. Pressing any of the four
DIC buttons or the trip odometer reset stem will clear
the message from the DIC display.
SERVICE 4WD
If a problem occurs with the all-wheel drive system, this
message will appear on the DIC. If this message
appears, stop as soon as possible and turn off the
vehicle. Restart the vehicle and check for the message
on the DIC display. If the message is still displayed,
or appears again when you begin driving, there is
a problem with the four wheel drive system. See your
GM dealer for service. Pressing any of the four DIC
buttons or the trip odometer reset stem will clear
the message from the DIC display.
SERVICE AIR BAG
If there is a problem with the air bag system, this
message will be displayed on the DIC. Have your
GM dealer inspect the system for problems. Pressing
any of the four DIC buttons or the trip odometer
reset stem will clear the message from the DIC display.
SERVICE AIR SUSPENSION
If a problem occurs with the suspension system, this
message will appear on the DIC. If this message
appears, stop as soon as possible and turn off the
vehicle. Restart the vehicle and check for the message
on the DIC display. If the message is still displayed,
or appears again when you begin driving, there is
a problem with the air suspension system. See your
GM dealer for service.
SERVICE BRAKE SYSTEM
If a problem occurs with the brake system, this message
will appear on the DIC. If this message appears, stop
as soon as possible and turn off the vehicle. Restart the
vehicle and check for the message on the DIC display.
If the message is still displayed, or appears again when
you begin driving, there is a problem with the brake
system. See your GM dealer for service. Pressing any
of the four DIC buttons or the trip odometer reset
stem will clear the message from the DIC display.
3-51

CLEAN:If this message appears on the display, the
cassette tape player needs to be cleaned. It will still play
tapes, but it should be cleaned as soon as possible to
prevent damage to the tapes and player. SeeCare of
Your Cassette Tape Player on page 3-91.
If the cassette tape is not playing correctly, for any other
reason, try a known good cassette.
If any error occurs repeatedly or if an error cannot be
corrected, contact your GM dealer. If the radio displays
an error message, write it down and provide it to your GM
dealer when reporting the problem.
CD Adapter Kits
It is possible to use a portable CD player with the
cassette tape player after activating the bypass feature
on your tape player.
To activate the bypass feature, perform the following
steps:
1. Turn the ignition on.
2. Turn the radio off.
3. Press and hold the TAPE DISC button for
ve seconds. READY will appear on the display and
the tape symbol on the display will ash, indicating
the feature is active.
4. Insert the adapter into the cassette tape slot. It will
power up the radio and begin playing.
The override feature will remain active until the eject
button is pressed.
Playing a CD
Insert a CD partway into the slot, label side up. The
player will pull it in and the CD should begin playing. If
you want to insert a CD with the ignition off, rst
press the eject button or the INFO knob.
If the ignition or radio is turned off with the CD in the
player, it will stay in the player. When the ignition
or radio is turned on, the CD will start playing where it
stopped, if it was the last selected audio source.
When a CD is inserted, the CD symbol will appear on
the display. As each new track starts to play, the
track number will appear on the display.
The CD player can play the smaller 3 inch (8 cm) single
CDs with an adapter ring. Full-size CDs and the
smaller CDs are loaded in the same manner.
If playing a CD-R the sound quality may be reduced
due to CD-R quality, the method of recording, the quality
of the music that has been recorded, and the way the
CD-R has been handled. There may be an increase
in skipping, difficulty in nding tracks, and/or difficulty in
loading and ejecting. If these problems occur try a
known good CD.
Do not add paper labels to CDs, they could get caught
in the CD player.
If an error appears on the display, see “CD Messages”
later in this section.
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1 PREV (Previous):Press this pushbutton to go to the
beginning of the current track if more than eight seconds
have played. TRACK and the track number will appear on
the display. If this pushbutton is held or pressed more
than once, the player will continue moving backward
through the CD.
2 NEXT:Press this pushbutton to go to the next track.
TRACK and the track number will appear on the display.
If this pushbutton is held or pressed more than once, the
player will continue moving forward through the CD.
3 REV (Reverse):Press and hold this pushbutton to
quickly reverse within a track. Press and hold this
pushbutton for less than two seconds to reverse at
six times the normal playing speed. Press and hold it for
more than two seconds to reverse at 17 times the
normal playing speed. Release this pushbutton to play
the passage. ET and the elapsed time of the track
will appear on the display.
4 FWD (Forward):Press and hold this pushbutton to
quickly advance within a track. Press and hold this
pushbutton for less than two seconds to advance at
six times the normal playing speed. Press and hold it for
more than two seconds to advance at 17 times the
normal playing speed. Release this pushbutton to play
the passage. ET and the elapsed time of the track
will appear on the display.6 RDM (Random):Press this pushbutton to hear the
tracks in random, rather than sequential, order. RDM ON
will appear on the display. RDM T and the track
number will appear on the display when each track
starts to play. Press this pushbutton again to turn
off random play. RDM OFF will appear on the display.
©SEEK¨:Press the left arrow to go to the start
of the current or to the previous track. Press the
right arrow to go to the start of the next track. If either
arrow is held or pressed more than once, the player will
continue moving backward or forward through the CD.
©SCAN¨:Press and hold either the SCAN or
the TYPE arrows for more than two seconds until SCAN
appears on the display and you hear a beep. The
radio will go to the next track, play for 10 seconds, then
go on to the next track. Press either the SCAN or the
TYPE arrows again, to stop scanning.
3-72

Playing a CD
If the ignition or radio is turned off, with a CD in the
player, it will stay in the player. When the ignition
or radio is turned on, the CD will start playing where it
stopped, if it was the last selected audio source.
When a CD is inserted, the CD symbol will appear on
the CD. As each new track starts to play, the track
number will appear on the display.
The CD player can play the smaller 3 inch (8 cm) single
CDs with an adapter ring. Full-size CDs and the
smaller CDs are loaded in the same manner.
If playing a CD-R the sound quality may be reduced
due to CD-R quality, the method of recording, the quality
of the music that has been recorded, and the way the
CD-R has been handled. There may be an increase
in skipping, difficulty in nding tracks, and/or difficulty in
loading and ejecting. If these problems occur try a
known good CD.
Do not add paper labels to CDs, they could get caught
in the CD player.
If an error appears on the display, see “CD Messages”
later in this section.LOAD:Press this button to load CDs into the CD
player. This CD player will hold up to six CDs.
To insert one CD, do the following:
1. Turn the ignition on.
2. Press and release the LOAD button.
3. Wait for the indicator light, located to the right of the
slot, to turn green.
4. Load a CD. Insert the CD partway into the slot,
label side up. The player will pull the CD in.
To insert multiple CDs, do the following:
1. Turn the ignition on.
2. Press and hold the LOAD button for two seconds.
You will hear a beep and the indicator light, located
to the right of the slot, will begin to ash and
MULTI LOAD # will appear on the display.
3. Once the light stops ashing and turns green,
INSERT CD # will appear on the display, load
a CD. Insert the CD partway into the slot, label side
up. The player will pull the CD in.
Once the CD is loaded, the indicator light will begin
ashing again. Once the light stops ashing and
turns green, you can load another CD. The
CD player takes up to six CDs. Do not try to load
more than six.
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Anti-Lock Brake System (ABS)
Your vehicle has anti-lock brakes. ABS is an advanced
electronic braking system that will help prevent a
braking skid.
When you start your engine and begin to drive away,
your anti-lock brake system will check itself. You
may hear a momentary motor or clicking noise while
this test is going on. This is normal.
If there is a problem with
the anti-lock brake system,
this warning light will
stay on. SeeAnti-Lock
Brake System Warning
Light on page 3-34.
Let us say the road is wet and you are driving safely.
Suddenly, an animal jumps out in front of you. You slam
on the brakes and continue braking. Here is what
happens with ABS:
A computer senses that wheels are slowing down. If
one of the wheels is about to stop rolling, the computer
will separately work the brakes at each front wheel
and at both rear wheels.
4-7

The traction off light will
come on when a Traction
Control System or
Anti-Lock Brake System
problem has been
detected and the vehicle
needs service.
SeeTraction Off Light on page 3-34.
When the traction off light is on, adjust your
driving accordingly.
The traction control system, as delivered from the
factory, will automatically come on whenever you start
your vehicle.Locking Rear Axle
The locking rear axle can give your vehicle additional
traction from the rear wheels when traveling in off-road
situations such as mud, snow, sand, steep hills and
uneven terrain.
The button used to turn
this feature on or off is
located above the transfer
case buttons to the
right of the steering wheel.
To lock the rear axle, do the following:
1. Place the transfer case in the 4LO Lock mode. This
is the only mode which will allow the rear axle to
lock. SeeAll-Wheel Drive on page 2-32for
more information regarding the transfer case and
4LO Lock mode.
2. Press the button with the vehicle stopped or moving
less than 2 mph (3 km/h).
4-10

Do not get too close to the vehicle you want to pass
while you are awaiting an opportunity. For one thing,
following too closely reduces your area of vision,
especially if you are following a larger vehicle. Also,
you will not have adequate space if the vehicle
ahead suddenly slows or stops. Keep back a
reasonable distance.
When it looks like a chance to pass is coming up,
start to accelerate but stay in the right lane and do
not get too close. Time your move so you will be
increasing speed as the time comes to move into the
other lane. If the way is clear to pass, you will have a
running start that more than makes up for the
distance you would lose by dropping back. And if
something happens to cause you to cancel your
pass, you need only slow down and drop back again
and wait for another opportunity.
If other vehicles are lined up to pass a slow vehicle,
wait your turn. But take care that someone is not
trying to pass you as you pull out to pass the slow
vehicle. Remember to glance over your shoulder and
check the blind spot.
Check your mirrors, glance over your shoulder and
start your left lane change signal before moving out
of the right lane to pass. When you are far enough
ahead of the passed vehicle to see its front in your
inside mirror, activate your right lane change signal
and move back into the right lane. Remember that if
your right outside mirror is convex, the vehicle you
just passed may seem to be farther away from you
than it really is.
Try not to pass more than one vehicle at a time on
two-lane roads. Reconsider before passing the
next vehicle.
Do not overtake a slowly moving vehicle too rapidly.
Even though the brake lamps are not ashing, it may
be slowing down or starting to turn.
If you are being passed, make it easy for the
following driver to get ahead of you. Perhaps you can
ease a little to the right.
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