headlamp HUMMER H3 2007 Owners Manual

Service and Appearance Care
.................. 311
Service
................................................. 314
Fuel
...................................................... 316
Checking Things Under the Hood
......... 321
Rear Axle
............................................. 357
Four-Wheel Drive
.................................. 358
Front Axle
............................................ 358
Headlamp Aiming
................................. 358
Bulb Replacement
................................ 361
Windshield Wiper Blade Replacement
.... 365
Tires
..................................................... 367
Appearance Care
.................................. 406Vehicle Identication
............................. 415
Electrical System
.................................. 416
Capacities and Specications
................ 422
Maintenance Schedule
.............................. 425
Maintenance Schedule
.......................... 426
Customer Assistance Information
............. 447
Customer Assistance and Information
..... 448
Reporting Safety Defects
...................... 464
Index
.......................................................... 467
2

LOCK:Press this button to lock all the doors. The
parking lamps may also ash and the horn may
chirp when this button is pressed.
If a door is open or ajar when the lock button is
pressed, the doors will lock, but the theft-deterrent
system will not arm until the open door is closed.
You can program different feedback modes
through the Driver Information Center (DIC).
To program the feedback modes, see “Remote
Keyless Entry Feedback” underDIC Controls and
Displays on page 192.
L(Panic):Press this button to make the horn
sound and the headlamps and taillamps ash
for up to 30 seconds. To turn them off, do one of
these three things: wait for 30 seconds; press
the panic button again; or start the vehicle.
Matching Transmitter(s) to Your
Vehicle
Each remote keyless entry transmitter is coded to
prevent another transmitter from unlocking your
vehicle. If a transmitter is lost or stolen, a
replacement can be purchased through your dealer.
Remember to bring any remaining transmitters with
you when you go to your dealer. When the dealer
matches the replacement transmitter to your
vehicle, any remaining transmitters must also be
matched. Once your dealer has coded the new
transmitter, the lost transmitter will not unlock your
vehicle. Each vehicle can have a maximum of four
transmitters matched to it.
90

Instrument Panel Overview........................ 152
Hazard Warning Flashers.......................... 154
Other Warning Devices............................. 154
Horn.......................................................... 154
Tilt Wheel.................................................. 154
Turn Signal/Multifunction Lever.................. 155
Turn and Lane-Change Signals................. 156
Headlamp High/Low-Beam Changer.......... 157
Flash-to-Pass............................................ 157
Windshield Wipers..................................... 157
Windshield Washer.................................... 158
Rear Window Wiper/Washer...................... 159
Cruise Control........................................... 159
Exterior Lamps.......................................... 162
Headlamps on Reminder........................... 164
Daytime Running Lamps (DRL)................. 164
Automatic Headlamp System..................... 165
Off-Road Lamps........................................ 166
Fog Lamps................................................ 167
Instrument Panel Brightness...................... 167
Dome Lamp.............................................. 167
Dome Lamp Override................................ 168
Exit Lighting.............................................. 168Reading Lamps......................................... 168
Electric Power Management...................... 168
Battery Run-Down Protection..................... 169
Accessory Power Outlet(s)........................ 169
Ashtray(s) and Cigarette Lighter................ 170
Climate Controls......................................... 170
Climate Control System............................. 170
Outlet Adjustment...................................... 173
Warning Lights, Gages, and Indicators..... 174
Instrument Panel Cluster........................... 175
Speedometer and Odometer...................... 176
Trip Odometer........................................... 176
Tachometer............................................... 176
Safety Belt Reminder Light........................ 177
Passenger Safety Belt Reminder Light....... 177
Airbag Readiness Light............................. 178
Passenger Airbag Status Indicator............. 179
Battery Warning Light................................ 181
Up-Shift Light (Manual Transmission)........ 181
Brake System Warning Light..................... 182
Anti-Lock Brake System
Warning Light........................................ 183
Section 3 Instrument Panel
149

The tilt lever is located on the left side of the
steering column, under the turn signal lever.
To tilt, hold the steering wheel and pull the tilt lever
toward you. Move the wheel to a comfortable
level, then release the tilt lever to lock the wheel
in place.
Do not adjust the steering wheel while driving.
Turn Signal/Multifunction Lever
The lever on the left side of the steering column
includes the following:
GTurn and Lane Change Signals. See
Turn Signal/Multifunction Lever on page 155.
53Headlamp High/Low-Beam Changer.
SeeHeadlamp High/Low-Beam Changer on
page 157.
Flash-to-Pass. SeeFlash-to-Pass on page 157.
NWindshield Wipers. SeeWindshield Wipers
on page 157.
LWindshield Washer. SeeWindshield
Washer on page 158.
JCruise Control. SeeCruise Control on
page 159.
155

Headlamp High/Low-Beam Changer
53(Headlamp High/Low Beam Changer):
To change the headlamps from low to high beam,
push the lever toward the instrument panel.
To return to low-beam headlamps, pull the
multifunction lever toward you. Then release it.
When the high beams
are on, this indicator light
on the instrument panel
cluster will also be on.
Flash-to-Pass
This feature lets you use the high-beam
headlamps to signal a driver in front of you that
you want to pass. It works even if the headlamps
are in the automatic position.
To use it, pull the turn signal lever toward you,
then release it.If your headlamps are in the automatic position
or on low beam, your high-beam headlamps will
turn on. They will stay on as long as you hold the
lever toward you. The high-beam indicator on the
instrument panel cluster will come on. Release
the lever to return to normal operation.
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.
157

9(Off):Turn the knob to this position to turn off
all exterior lamps, including the Daytime Running
Lamps (DRL). This is a momentary control that will
spring back to AUTO when released. Vehicles
rst sold in Canada do not have the DRL disable
feature available. Vehicles rst sold in Canada
cannot turn off the DRL unless the following
conditions are met:
The vehicle has an automatic transmission.
The gear position is in PARK (P).
The headlamp switch is turned to the
Off position.
AUTO (Automatic):Turn the knob to this position
to automatically turn on the headlamps at
normal brightness, together with the following:
Sidemarker Lamps
Taillamps
Parking Lamps
Instrument Panel Lights
Due to the momentary switch design, your
automatic headlamps may be disabled even
if the control is in the AUTO position.To enable automatic lighting, do any of the
following:
Turn the headlamp control from AUTO to off
and release the control. It will return back to
the AUTO position by itself.
Turn the headlamp control from the parking
lamp position to AUTO.
Turn the headlamp control from the headlamp
position to AUTO.
To disable automatic lighting, do any of the
following:
Turn the headlamp control from AUTO to off
and release the control. It will return back to
the AUTO position by itself.
Turn the headlamp control from AUTO to the
parking lamp position.
Turn the headlamp control from AUTO to the
headlamp position.
SeeAutomatic Headlamp System on page 165
for more information.
163

Vehicles rst sold in Canada with an automatic
transmission cannot turn off automatic headlamps
unless the gear position is in PARK (P) and
the headlamp switch is turned to the Off position.
Vehicles rst sold in Canada with a manual
transmission can turn off the automatic headlamps
with the headlamp control; however, the parking
lamps will remain on.
;(Parking Lamps):Turn the knob to this
position to turn on the parking lamps, together
with the following:
Sidemarker Lamps
Taillamps
License Plate Lamps
Instrument Panel Lights
2(Headlamps):Turn the knob to this position
to turn on the headlamps, together with the
previously listed lamps and lights.
You can switch your headlamps from low to high
beam by pushing the turn signal/multifunction
lever toward the instrument panel.
Headlamps on Reminder
A headlamp reminder chime will sound if the
following conditions are met:
The driver door is open.
Parking lamps or headlamps are manually
turned on.
The key is either not in the ignition switch, or it
is in the LOCK position of the ignition switch.
The headlamp reminder cannot be turned off if
the conditions listed above are met.
In the automatic mode, the headlamps turn off
once the ignition is in ACC.
Daytime Running Lamps (DRL)
Daytime Running Lamps (DRL) can make it easier
for others to see the front of your vehicle during
the day. DRL can be helpful in many different
driving conditions, but they can be especially
helpful in the short periods after dawn and before
sunset. Fully functional daytime running lamps
are required on all vehicles rst sold in Canada.
164

The DRL system will come on when the following
conditions are met:
The ignition is on.
The exterior lamps control is in AUTO.
The transmission is not in PARK (P) if
you have an automatic transmission.
The light sensor determines it is daytime.
When the DRL are on, no other lamps are on.
The instrument panel will not be lit up either.
For vehicles rst sold in Canada, if parking
lamps are manually turned on, DRL will stay on.
When it begins to get dark, the automatic
headlamp system will switch from DRL to the
headlamps.
As with any vehicle, you should turn on the
regular headlamp system when you need it.
To turn off the DRL, seeExterior Lamps
on page 162.
Vehicles rst sold in Canada cannot turn
off DRL unless certain conditions are met.
SeeExterior Lamps on page 162.
Automatic Headlamp System
When it is dark enough outside, the automatic
headlamp system will turn on after the transmission
has been shifted from PARK (P) to DRIVE (D).
The headlamps, taillamps, sidemarker, parking
lamps, roof marker lamps, and the instrument panel
lights will turn on at normal brightness. The radio
lights will become more dim when the headlights
are off compared to when the headlights are on.
Your vehicle has a light sensor located on the top of
the instrument panel. Be sure it is not covered, or
the system will be on whenever the ignition is on.
The system may also turn on the headlamps when
driving through a parking garage, heavy overcast
weather, or a tunnel. This is normal.
There is a delay in the transition between the
daytime and nighttime operation of the Daytime
Running Lamps (DRL) and the automatic headlamp
system so that driving under bridges or bright
overhead street lights does not affect the system.
The DRL and automatic headlamp system will only
be affected when the light sensor detects a change
in lighting lasting longer than the delay.
165

If you start your vehicle in a dark garage, the
automatic headlamp system will come on
immediately. Once you leave the garage, it will
take about one minute for the automatic headlamp
system to change to DRL if it is light outside.
During that delay, the instrument panel cluster
may not be as bright as usual. Make sure
the instrument panel brightness control is in
the full bright position. SeeInstrument Panel
Brightness on page 167.
Off-Road Lamps
The off-road lamps, if the vehicle has them,
provide auxiliary lighting when the vehicle is
used off road. These lamps are not intended to
be used in place of existing vehicle lighting.
The lamps are not to be used on any public street
or highway and are to be covered when not in
use. Check your state and local laws before
installing or using any auxiliary lighting. In some
states it may be necessary to remove the roof
lamps when operating the vehicle on the highway.The switches for the off-road lamps are located in
the center of the instrument panel below the climate
controls. One switch is used for the front lower-grille
mounted off-road lamps, if the vehicle has them,
and the other switch is used for the roof-mounted
off-road lamps, if the vehicle has them.
To use the lamps, remove the covers from the
lamps and press the switch to turn them on or
off. An indicator light on the switch will turn
on when the lamps are on.
Notice:Turning on the off-road lamps before
removing the lamp covers could damage the
off-road lamps and the covers. Always remove
the covers before turning on the off-road lamps.
The off-road lamps remain on even after the ignition
is turned off. The off-road lamp switch must be
pressed to turn them off.
Roof Mounted Off-Road
Light SwitchLower Grille Off-Road
Light Switch
166

Fog Lamps
Your vehicle has fog lamps. You can use them
for better vision in foggy or misty conditions.
Your parking lamps and/or low-beam headlamps
must be on for your fog lamps to work.
The fog lamp button
is located in the
exterior lamps control.
Press the button to turn the fog lamps on while
the headlamps or parking lamps are on. Press the
button again to turn them off. An indicator light
will glow in the button when the fog lamps are on.
Remember, fog lamps alone will not give off as
much light as your headlamps. Never use your fog
lamps in the dark without turning on the headlamps.
The fog lamps will go off whenever your
high-beam headlamps come on. When the high
beams go off, the fog lamps will come on again.
Some localities have laws that require the
headlamps to be on along with the fog lamps.
Instrument Panel Brightness
D(Instrument Panel Brightness):This feature
controls the brightness of the instrument panel
lights.
The thumbwheel for this feature is located next to
the exterior lamp control.
Turn the thumbwheel up or down to brighten or
dim the instrument panel lights and the radio
display. The instrument panel lights, cluster, and
radio display do not dim to complete darkness.
Turn the thumbwheel all the way up to turn
the dome lamps on.
Dome Lamp
The dome and footwell lamps will come on when
you open a door. The dome lamps are located
in the cargo and front area of the vehicle.
You can also turn the dome and footwell lamps
on by turning the thumbwheel, located next to
the exterior lamps control, all the way up. In this
position, the lamps will remain on whether a
door is opened or closed.
167