lock HUMMER H3 2008 Workshop Manual

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

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 or headlamp position.
SeeAutomatic Headlamp System on page 3-17for
more information.
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.
The headlamps can be switched 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.
3-16

Dome Lamp Override
E(Dome Lamp Override):You can use the dome
override button, located below the exterior lamps control,
to set the dome and footwell lamps to come on
automatically when a door is opened, or to remain off.
To turn the lamps off, press the button into the in
position. With the button in this position, the dome lamps
will remain off when the doors are open. To return the
lamps to automatic operation, press the button again
and return it to the out position. With the button in this
position, the dome lamps will come on when you
open a door.
Exit Lighting
With exit lighting, the interior lamps will come on when
you remove the key from the ignition. The lamps will not
come on if the dome override button is pressed in.
Reading Lamps
Your vehicle has reading lamps. Press the button
located next to the lamp to turn them on or off.
These lamps will not come on with the dome lamps.
Electric Power Management
The vehicle has Electric Power Management (EPM) that
estimates the battery’s temperature and state of
charge. It then adjusts the voltage for best performance
and extended life of the battery.
When the battery’s state of charge is low, the voltage is
raised slightly to quickly put the charge back in. When
the state of charge is high, the voltage is lowered slightly
to prevent overcharging. If the vehicle has a voltmeter
gage, you may see the voltage move up or down. This is
normal. If there is a problem, an alert will be displayed.
The battery can be discharged at idle if the electrical
loads are very high. This is true for all vehicles. This is
because the generator (alternator) may not be
spinning fast enough at idle to produce all the power
that is needed for very high electrical loads.
A high electrical load occurs when several of the
following loads are on: headlamps, high beams, fog
lamps, rear window defogger, climate control fan at
high speed, heated seats, engine cooling fans, trailer
loads, and loads plugged into accessory power outlets.
Battery Run-Down Protection
This feature shuts off the dome lamp if it is left on for
more than 20 minutes when the ignition is in LOCK. This
will help prevent your battery from running down.
3-20

Ashtray(s) and Cigarette Lighter
Your vehicle may have an ashtray and cigarette lighter.
Your ashtray is located in your center console area.
The ashtray can be removed for cleaning. When
the ashtray is removed, this area can also be used as a
cupholder.
Notice:If you put papers, pins, or other ammable
items in the ashtray, hot cigarettes or other
smoking materials could ignite them and possibly
damage your vehicle. Never put ammable items in
the ashtray.
To use the lighter, press it in all the way, and let go.
When it’s ready, it will pop back out by itself.
Notice:Holding a cigarette lighter in while it is
heating does not let the lighter back away from the
heating element when it is hot. Damage from
overheating can occur to the lighter or heating
element, or a fuse could be blown. Do not hold a
cigarette lighter in while it is heating.
Climate Controls
Climate Control System
The heating, cooling, and ventilation of the vehicle can
be controlled with this system.
Temperature:Turn the left knob on the control panel to
adjust the temperature of the air in the vehicle. Turn
the knob clockwise or counterclockwise to increase or
decrease the temperature.
#(Air Conditioning):Press the center of the left
knob on the control panel to turn the air conditioning
system on or off. An indicator light on the button will be
lit when the air conditioning is turned on. This system
cools and dehumidies the air entering the vehicle.
3-22

The air conditioning will not function if the fan is turned
off. If air conditioning is selected with fan off, the
indicator light ashes three times and then turns off.
A slight change in engine performance may occur when
the air conditioning compressor shuts off and turns
on again. This is normal. The system is designed
to make adjustments to help with fuel economy while
still maintaining the selected temperature.
The air conditioning system removes moisture from the
air, so sometimes there may be a small amount of
water dripping underneath the vehicle while idling or
after turning off the engine. This is normal.
9(Fan):Turn the center knob on the control panel to
control the fan speed. Turn the knob clockwise or
counterclockwise to increase or decrease the fan speed.
9(Off):Turn the center knob to this position to turn
the fan off. With the fan off, you may still experience
airow from the system that increases with vehicle
speed depending on the mode and temperature settings.
Enable recirculation mode to stop this airow from
occurring.
@(Recirculation):Press the center of the fan
control knob to recirculate air inside the vehicle and
prevent outside air from coming in. It can be used
to prevent outside odors from entering the vehicle and
cool the air inside the vehicle more quickly. Pressthis button to turn the recirculation mode on or off. An
indicator light on the button comes on to show that
the recirculation mode is activated.
Recirculation is available in the bi-level, and vent
modes. Recirculation is not available while in oor,
oor/defog and defrost mode. If recirculation is selected
in these modes, the indicator ashes three times
indicating it is not available in that mode. When the
recirculation mode is turned on, the air conditioning turns
on automatically.
When it is hot enough outside, the recirculation mode
may turn on automatically to help improve cooling
performance. The indicator light will be lit to show this
mode is active. If the recirculation button is pressed
while in this mode, the light will ash three times
and stay on to indicate that recirculation may not be
shut off.
The right knob on the control panel is used to direct the
airow inside the vehicle. In-between modes are
available by moving the right control knob between
modes with symbols. The in-between mode is a
combination of the two modes that the control is
centered between.
Turn the right knob to select one of the following modes:
H(Vent):This mode directs air to the instrument
panel outlets.
3-23

Move the louvers up or down to change the direction of
the airow. Use the thumbwheel under the outlets to
change the direction of the airow from left to right.
Operation Tips

Enable recirculation mode for maximum air
conditioning performance.
Clear away any ice, snow or leaves from the air
inlets at the base of the windshield that may
block the ow of air into your vehicle.
Use of non-GM approved hood deectors may
adversely affect the performance of the system.
Keep the path under the front seats clear of objects
to help circulate the air inside of your vehicle more
effectively.
Warning Lights, Gages, and
Indicators
This part describes the warning lights and gages on
your vehicle. The pictures help to locate them.
Warning lights and gages can signal that something is
wrong before it becomes serious enough to cause an
expensive repair or replacement. Paying attention to the
warning lights and gages could also save you or others
from injury.Warning lights come on when there may be or is a
problem with one of your vehicle’s functions. As the
details show on the next few pages, some warning lights
come on briey when you start the engine just to let you
know they are working. If you are familiar with this
section, you should not be alarmed when this happens.
Gages can indicate when there may be or is a problem
with one of your vehicle’s functions. Often gages and
warning lights work together to let you know when there is
a problem with your vehicle.
When one of the warning lights comes on and stays on as
you are driving, or when one of the gages shows there
may be a problem, check the section that tells you what
to do about it. Please follow this manual’s advice. Waiting
to do repairs can be costly and even dangerous. So
please get to know your vehicle’s warning lights and
gages. They can be a big help.
Your vehicle may also have a Driver Information Center
(DIC) that works along with the warning lights and gages.
SeeDriver Information Center (DIC) on page 3-40for
more information.
3-25

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

Automatic Door Locks
This feature allows you to program the door locks to a
preferred setting.
To set your choice for this feature:
1. With the engine off, turn the key to LOCK/OFF.
Do not remove the key from the ignition.
2. Press and hold the power door lock button until the
DIC display shows the current door lock mode.
3. To view the next available mode, press and hold
the reset stem until the mode appears. Release
the reset stem and press and hold again to view the
next mode.
4. Once the desired mode is shown on the DIC
display, briey press the reset stem to set your
choice. The DIC display then clears.
The following are the available modes:
Lock 1 (default):On vehicles with an automatic
transmission, this mode locks all of the doors when the
vehicle is shifted out of PARK (P) and unlocks all of
the doors when the vehicle is shifted into PARK (P).
On vehicles with a manual transmission, this mode locks
all of the doors when the vehicle speed is greater
than 15 mph (24 km/h) and unlocks all of the doors
when the key is removed from the ignition.Lock 2:On vehicles with an automatic transmission,
this mode locks all of the doors when the vehicle
is shifted out of PARK (P) and unlocks the driver’s door
when the vehicle is shifted into PARK (P).
On vehicles with a manual transmission, this mode
locks all of the doors when the vehicle speed is greater
than 15 mph (24 km/h) and unlocks the driver’s door
when the key is removed from the ignition.
Lock 3:On vehicles with an automatic transmission,
this mode locks all of the doors when the vehicle
is shifted out of PARK (P). The doors will not
automatically unlock.
On vehicles with a manual transmission, this mode
locks all of the doors when the vehicle speed is greater
than 15 mph (24 km/h). The doors will not automatically
unlock.
Remote Keyless Entry (RKE) Feedback
This feature allows you to program the Remote
Keyless Entry (RKE) feedback to a preferred setting.
To set your choice for this feature:
1. With the engine off, turn the key to LOCK/OFF.
Do not remove the key from the ignition.
2. Press and hold the lock and unlock buttons on the
RKE transmitter at the same time. Hold both
buttons until the DIC display shows the current RKE
feedback mode.
3-42

3. To view the next available mode, press and hold
the reset stem until the mode appears. Release
the reset stem and press and hold again to view the
next mode.
4. Once the desired mode is shown on the DIC
display, briey press the reset stem to set your
choice. The DIC display then clears.
The following are the available modes:
RFA 1 (default):This mode ashes the parking lamps
when you press the lock or unlock buttons on the
RKE transmitter.
RFA 2:This mode ashes the parking lamps and
sounds the horn when you press the lock button on the
RKE transmitter. This mode also ashes the parking
lamps when you press the unlock button on the
RKE transmitter.
RFA 3:This mode ashes the parking lamps and
sounds the horn when you press the lock or unlock
buttons on the RKE transmitter.
RFA 4:This mode disables RKE feedback. There will
be no feedback when you press the lock or unlock
buttons on the RKE transmitter.DIC Warnings and Messages
Messages are displayed on the DIC to notify the
driver that the status of the vehicle has changed
and that some action may be needed by the driver to
correct the condition. Multiple messages may appear
one after another. The messages are displayed for
several seconds each.
Some messages may not require immediate action, but
you should press and release the trip odometer reset
stem to acknowledge that you received the messages
and to clear them from the display. Each message must
be acknowledged individually.
Some messages cannot be cleared from the DIC
display because they are more urgent. These messages
require action before they can be cleared. You should
take any messages that appear on the display seriously
and remember that clearing the messages only makes
the messages disappear, not correct the problem.
The following are the possible messages that can be
displayed and some information about them.
3-43

AC (Air Conditioning) OFF
This message displays when the engine coolant
temperature is too high and the air conditioning in your
vehicle needs to be turned off. SeeEngine Overheating
on page 5-29andClimate Control System on
page 3-22for more information. This message displays
along with the ENG HOT message.
ABS (Antilock Brake System) FAULT
This message displays if there is a problem with
the Antilock Brake System (ABS). Check the ABS as
soon as possible and have your vehicle serviced by your
dealer/retailer. SeeBrakes on page 5-38andAntilock
Brake System Warning Light on page 3-34for more
information. Press and release the reset stem to
acknowledge the message and clear it from the display.
BRAKES
This message displays if there is a problem with the
brakes. Check the brakes as soon as possible and have
your vehicle serviced by your dealer/retailer. See
Brakes on page 5-38andBrake System Warning Light
on page 3-33for more information. Press and release
the reset stem to acknowledge the message and clear it
from the display.
CHANGE OIL
This message displays when the oil needs to be
changed. Check the oil in your vehicle as soon as
possible and have your vehicle serviced by your
dealer/retailer. SeeEngine Oil on page 5-15and
Scheduled Maintenance on page 6-4for more
information. Press and release the reset stem to
acknowledge the message and clear it from the display.
DOORS
This message displays when one or more of the doors
is ajar. Check all the doors on your vehicle to make
sure they are closed. The message clears from
the display after all of the doors are closed.
ENG (Engine) HOT
This message displays when the engine coolant
temperature is hot. Check the engine coolant
temperature gage. SeeEngine Coolant Temperature
Gage on page 3-35. Have your vehicle serviced by your
dealer/retailer as soon as possible if you suspect the
engine is overheating. SeeEngine Overheating on
page 5-29for more information.
3-44