stop start HUMMER H3 2008 User Guide

Windshield Wipers
You control the windshield wipers by turning the band
with the wiper symbol on it.
8(Mist):Turn the band to mist for a single wiping
cycle. Hold it there until the wipers start. Then let
go. The wipers will stop after one wipe. Hold the band
on mist longer, if more wipes are needed.
N(Delay):The wiper speed can be set for long
or short delays between wipes. This can be very useful
in light rain or snow. Turn the band to choose the
delay time. The closer to the top of the lever, the shorter
the delay.
6(Low Speed):For steady wiping at low speed,
turn the band away from you to the rst solid position
past the delay settings.
1(High Speed):For high-speed wiping, turn the
band to the second solid position past the delay settings.
9(Off):Move the band to off, to stop the wipers.
Be sure to clear ice and snow from the wiper blades
before using them. If they are frozen to the windshield,
carefully loosen or thaw them. If your blades do
become worn or damaged, get new blades or blade
inserts.Windshield wipers work in all power modes, except
when set to LOCK. After the engine is turned off, wipers
will work in Retained Accessory Power (RAP) mode
until a door is opened. SeeRetained Accessory Power
(RAP) on page 2-20.
Windshield Washer
L(Washer Fluid):There is a paddle marked with the
windshield washer symbol at the top of the multifunction
lever. To spray washer uid on the windshield, push the
paddle. The wipers will clear the window and then either
stop or return to your preset speed.
{CAUTION:
In freezing weather, do not use your washer
until the windshield is warmed. Otherwise the
washer uid can form ice on the windshield,
blocking your vision.
3-10

Antilock Brake System Warning
Light
For vehicles with the
Antilock Brake System
(ABS), this light will come
on briey when you
start the engine.
That is normal. If the light does not come on then, have it
xed so it will be ready to warn you if there is a problem.
If the ABS light stays on, turn the ignition off, if the light
comes on when you are driving, stop as soon as it
is safely possible and turn the ignition off. Then start the
engine again to reset the system. If the ABS light still
stays on, or comes on again while you are driving, your
vehicle needs service. If the regular brake system
warning light is not on, you still have brakes, but you do
not have antilock brakes. If the regular brake system
warning light is also on, you do not have antilock brakes
and there is a problem with your regular brakes. See
Brake System Warning Light on page 3-33
For vehicles with a Driver Information Center (DIC), see
DIC Warnings and Messages on page 3-43for all
brake related DIC messages.
Traction Off Light
If you have the Traction
Control System (TCS), this
light will come on when the
TCS has been turned off.
This light will come on briey when the ignition is turned
to ON, if it does not the system may require service.
For more information on the traction off light, see
Traction Control System (TCS) on page 4-5.
StabiliTrak®Not Ready Light
If you have the StabiliTrak®
system, this light will come
on when the StabiliTrak®
system has been
turned off.
This light will come on briey when the ignition is turned
to ON, if it does not the system may require service.
For more information, seeStabiliTrak
®System on
page 4-7.
3-34

Engine Coolant Temperature Gage
This gage shows the engine coolant temperature.
If the gage pointer is in the shaded area of the gage,
the engine is too hot. It means that your engine coolant
has overheated. If you have been operating your
vehicle under normal driving conditions, you should pull
off the road, stop your vehicle and turn off the engine
as soon as possible.
SeeEngine Overheating on page 5-29for more
information.
Tire Pressure Light
This light comes on briey
when the engine is started.
This light will also come on when one or more of your
tires are signicantly underinated.
A tire pressure message in the Driver Information
Center (DIC), may accompany the light. SeeDIC
Warnings and Messages on page 3-43for more
information.
Stop and check your tires as soon as it is safe to do so.
If underinated, inate to the proper pressure. See
Tires on page 5-54for more information.
If a problem is detected with the Tire Pressure Monitor
System, this light will ash for approximately
60 seconds and then stay on solid for the remainder of
the ignition cycle. SeeTire Pressure Monitor System
on page 5-63for more information. United States
Canada
3-35

If the Light is Flashing
The following can prevent more serious damage to your
vehicle:
Reduce vehicle speed.
Avoid hard accelerations.
Avoid 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 the vehicle.
Turn the ignition 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/retailer
for service as soon as possible.
If the Light Is On Steady
You might 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 the Tank on page 5-8. The
diagnostic system can determine if the fuel cap hasbeen left off or improperly installed. A loose or missing
fuel cap allows 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 vehicle’s electrical system might be wet.
The condition is usually 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 causes
the engine not to run as efficiently as designed. You
might 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 might go away once the engine is warmed up.
This will be detected by the system and cause the light to
turn on.
If you experience one or more of these conditions,
change the fuel brand you use. It will require at least
one full tank of the proper fuel to turn the light off.
If none of the above steps have made the light turn off,
your dealer/retailer can check the vehicle. Your
dealer/retailer has the proper test equipment and
diagnostic tools to x any mechanical or electrical
problems that might have developed.
3-37

XM™ Satellite Radio Service
XM™ is a satellite radio service that is based in the
48 contiguous United States and 10 Canadian provinces.
XM™ Satellite Radio has a wide variety of programming
and commercial-free music, coast-to-coast, and in
digital-quality sound. During your trial or when you
subscribe, you will get unlimited access to XM™ Radio
Online for when you are not in your vehicle. A service
fee is required to receive the XM™ service. For more
information, contact XM™ at www.xmradio.com or call
1-800-929-2100 in the U.S. and www.xmradio.ca or call
1-877-438-9677 in Canada.
Radio Messages for XM™ Only
SeeXM Radio Messages on page 3-60later in this
section for further detail.
Playing a CD
Insert a CD partway into the slot, label side up. The
player pulls it in and the CD should begin playing. If you
want to insert a CD with the ignition off, rst press the
Z(eject) button or the DISP knob.
If the ignition or radio is turned off with a CD in the
player it stays in the player. When the ignition or radio
is turned on, the CD starts to play where it stopped, if it
was the last selected audio source.When the CD is inserted, the CD symbol displays. As
each new track starts to play, the track number displays.
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.
Care of Your CDs
If playing a CD-R, the sound quality can 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. Handle them carefully.
Store CD-R(s) in their original cases or other protective
cases and away from direct sunlight and dust. The
CD player scans the bottom surface of the disc. If the
surface of a CD is damaged, such as cracked, broken,
or scratched, the CD does not play properly or not
at all. Do not touch the bottom side of a CD while
handling it; this could damage the surface. Pick up CDs
by grasping the outer edges or the edge of the hole
and the outer edge.
If the surface of a CD is soiled, take a soft, lint free cloth
or dampen a clean, soft cloth in a mild, neutral detergent
solution mixed with water, and clean it. Make sure the
wiping process starts from the center to the edge.
3-54

Playing a Specic Loaded CD
For every CD loaded, a number displays. To play a
specic CD, rst press the CD button, then press the
numbered pushbutton that corresponds to the CD.
A small bar appears under the CD number that
is playing and the track number displays.
If an error displays, see “CD Messages” later in this
section.
Z(Eject):Press to eject CD(s).
To eject the CD that is currently playing, press and
release this button.
To eject multiple CDs, do the following:
1. Press and hold for ve seconds.
A beep sounds and the indicator light, located to
the right of the slot, begins to ash and EJECT
ALL displays.
2. Once the light stops ashing and turns green,
REMOVE CD # displays. The CD ejects and
can be removed.
Once the CD is removed, the indicator light begins
ashing again and another CD ejects.
To stop ejecting the CDs, press the LOAD or the
eject button.If the CD is not removed, after 25 seconds, the CD
automatically pulls back into the player. If CD is pushed
back into the player, before the 25 second time period
is complete, the player senses an error and tries to eject
the CD several times before stopping.
Do not repeatedly press the CD eject button to eject a
CD after you have tried to push it in manually. The
player’s 25-second eject timer resets at each press of
the eject button, causing the player to not eject the
CD until the 25-second time period has elapsed.
Z(Eject) (Radio with Single CD):Press to eject a
CD. Eject can be activated with either the ignition or
radio off. CDs can be loaded with the ignition and radio
off if this button is pressed rst.
1
r(Previous) (Radio with Single CD):Press to go
to the start of the current track if more than eight seconds
have played. The previous symbol and the track number
displays. If this button is held or pressed more than once,
the player continues moving backward through the CD.
r(Reverse) (Radio with Six-Disc CD Player):Press
to reverse within the track.
2
[(Next) (Radio with Single CD):Press to go to the
next track. The next symbol and the track number
displays. If this button is held or pressed more than once,
the player continues moving forward through the CD.
3-56

[(Fast Forward) (Radio with Six-Disc CD
Player):Press to fast forward within the track.
N(Repeat):With repeat, one track or an entire CD
can be repeated.
To use repeat, do the following:
To repeat the track you are listening to, press and
release this button. RPT ON displays. Press again
to turn off repeat play. RPT OFFdisplays.
To repeat the CD you are listening to, press and
hold this button for two seconds. RPT ON
displays. Press again to turn off repeat play.
RPT OFF displays.
4
y(Random) (Radio with Single CD):Press to
hear the tracks in random, rather than sequential, order.
The random symbol displays. Press again to turn off
random play.
y(Random) (Radio with Six-Disc CD Player):With
random, you can listen to the tracks in random,
rather than sequential, order, on one CD or on all
of the CDs. To use random, do one of the following:
To play the tracks on the CD you are listening to in
random order, press and release this button.
RANDOM ONE displays. Press again to turn off
random play.
To play the tracks on all of the CDs that are loaded
in random order, press and hold this button for
more than two seconds. A beep sounds and
RANDOM ALL displays. Press again to turn off
random play.
tSEEKu(Radio with Single CD):Press the left
arrow to go to the start of the current or the previous
track. Press the right arrow to go to the start of the next
track. Pressing either arrow for more than two seconds
searches the previous or next tracks at two tracks
per second. Release either arrow to stop searching and
to play the track.
tSEEKu(Radio with Six-Disc CD Player):Press
the left arrow to go to the start of the current track,
if more than ten seconds have played. Press the right
arrow to go to the next track. If either arrow is held
or pressed more than once, the player continues moving
backward or forward through the CD.
To scan one CD, press and hold either arrow for more
than two seconds until SCAN displays and a beep
sounds. The radio goes to the next track, plays
for 10 seconds, then goes to the next track. Press
either arrow again, to stop scanning.
3-57

This is a mistake. The brakes might not have time to
cool between hard stops. The brakes will wear out
much faster if you do a lot of heavy braking. If you
keep pace with the traffic and allow realistic following
distances, you will eliminate a lot of unnecessary
braking. That means better braking and longer
brake life.
If your vehicle ever loses electrical power while you
are driving, brake normally but do not pump the brakes.
If you do, the pedal could get harder to push down.
If your vehicle loses electrical power, you will still have
some power brake assist. But you will use it when
you brake. Once the power assist is used up, it can take
longer to stop, the brake pedal will be harder to push,
and you might experience longer pedal travel.
Adding non-dealer/non-retailer accessories can affect
your vehicle’s performance. SeeAccessories and
Modifications on page 5-3.Antilock Brake System (ABS)
Your vehicle has the Antilock Brake System (ABS),
an advanced electronic braking system that will
help prevent a braking skid.
When you start the engine and begin to drive away,
ABS will check itself. You might hear a momentary
motor or clicking noise while this test is going on.
This is normal.
If there is a problem with
ABS, this warning light will
stay on. SeeAntilock
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 wheel.
4-4

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. SeeFull-Time Four-Wheel Drive on page 2-27
for 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).
You must wait for the light in the button to stop ashing
and remain illuminated before the rear axle is locked.
Notice:If you try to lock the rear axle while your
vehicle is stuck and the tires are spinning, you
could damage your vehicle’s drivetrain. The repairs
would not be covered by your warranty. Always lock
the rear axle before attempting situations and/or
navigating terrain which could possibly cause the
vehicle to become stuck.
The locking rear axle will be disengaged when the
wheel speed is greater than 20 mph (32 km/h), if the
vehicle’s battery is low and/or the transfer case is
shifted out of 4LO Lock mode.
Notice:If you lock the rear axle while driving on
pavement, you could damage your vehicle’s
drivetrain. The repairs would not be covered by
your warranty. Do not use the locking rear axle
on pavement. If you need four-wheel drive when
traveling on pavement, use only 4HI.StabiliTrak®System
Your vehicle has a vehicle stability enhancement
system called StabiliTrak®. It is an advanced computer
controlled system that assists you with directional
control of the vehicle in difficult driving conditions.
StabiliTrak
®activates when the computer senses a
discrepancy between your intended path and the
direction the vehicle is actually traveling. StabiliTrak
®
selectively applies braking pressure at any one of
the vehicle’s brakes to assist the driver with keeping
the vehicle on the intended path.
When you rst start your vehicle and begin to drive
away, the system performs several diagnostic checks to
insure there are no problems. You may hear or feel
the system working. This is normal and does not mean
there is a problem with your vehicle.
If there is a problem detected with StabiliTrak
®,a
SERVICE STAB SYS message will be displayed on the
Driver Information Center (DIC). SeeDIC Warnings
and Messages on page 3-43for more information. When
this message is displayed, the system is not operational.
Adjust your driving accordingly.
4-7

StabiliTrak®comes on automatically whenever you
start your vehicle. However, when the transfer case is
placed in Four-Wheel-Low Lock mode, StabiliTrak
®
is automatically disabled. SeeFull-Time Four-Wheel
Drive on page 2-27for more information. To help assist
you with directional control of the vehicle, you should
always leave the system on. You can turn StabiliTrak
®
off if you ever need to using the TC (traction control)
on/off button. If you press and hold the TC button for
ve seconds, the StabiliTrak
®system and the traction
control system will turn off. When this is done, the
STAB SYS OFF message will be displayed on the DIC.
Press the TC button again to turn StabiliTrak
®back
on. SeeTraction Control System (TCS) on page 4-5.
If your vehicle is in cruise control when the StabiliTrak
®
activates, the cruise control will automatically
disengage. When road conditions allow you to safely
use it again, you may reengage the cruise control.
SeeCruise Control on page 3-11for more information.
Steering
Power Steering
If you lose power steering assist because the engine
stops or the system is not functioning, you can steer
but it will take much more effort.
Steering Tips
It is important to take curves at a reasonable speed.
A lot of the “driver lost control” accidents mentioned
on the news happen on curves. Here is why:
Experienced driver or beginner, each of us is subject
to the same laws of physics when driving on curves.
The traction of the tires against the road surface makes
it possible for the vehicle to change its path when you
turn the front wheels. If there is no traction, inertia will
keep the vehicle going in the same direction. If you
have ever tried to steer a vehicle on wet ice, you will
understand this.
The traction you can get in a curve depends on the
condition of the tires and the road surface, the angle at
which the curve is banked, and your speed. While you
are in a curve, speed is the one factor you can control.
Suppose you are steering through a sharp curve.
Then you suddenly accelerate. Both control
systems — steering and acceleration — have to do their
work where the tires meet the road. Adding the sudden
acceleration can demand too much of those places.
You can lose control. SeeTraction Control System (TCS)
on page 4-5andStabiliTrak
®System on page 4-7.
What should you do if this ever happens? Ease up on
the accelerator pedal, steer the vehicle the way you
want it to go, and slow down.
4-8