2000 GMC SIERRA light

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2-52 Fog Lamps (If Equipped)
If you have fog lamps, 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 switch is
located on the left side of
your instrument panel.
Press the switch to turn the fog lamps on. Press the
switch again to turn them off. An indicator light will
glow in the switch 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 your 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.The fog lamps will be cancelled after the ignition is
turned off. If you still want to use the fog lamps after
you restart the vehicle, you will need to press the fog
lamp switch again.
Auxiliary Roof Mounted Lamp Switch
(If Equipped)
This switch includes wiring
provisions for a dealer or a
qualified service center to
install an auxiliary roof
lamp. This switch is located
on the center of the
instrument panel near the
comfort controls.
When the switch wiring is connected to an auxiliary roof
mounted lamp, pressing the button will activate the lamp
and illuminate an indicator light near the button.
Pressing the button again will turn off the roof
mounted lamp.
If your vehicle has this switch, your vehicle may have
the Snow Plow Prep Package. For further information
see ªSnow Plow Prep Packageº in the Index.

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Interior Lamps
Instrument Panel Intensity Control
The instrument panel intensity control is located to the
right of the headlamp switch.
Rotate the thumbwheel up to adjust the instrument panel
lights. To turn on the dome lamps (with the vehicle
doors closed) rotate the thumbwheel all the way up.
Exit Lighting
With exit lighting, the interior lamps will come on when
you remove the key from the ignition. The lights will
not come on if the DOME OVERRIDE button is
pressed in.
Illuminated Entry
Your vehicle is equipped with an illuminated
entry feature.
When the doors are opened, the dome lamps will come
on if the DOME OVERRIDE button is in the ªoutº
position. If the DOME OVERRIDE button is pressed in,
the lamps will not come on.
Front Reading Lamps (If Equipped)
If your vehicle has reading
lamps, press the button
located next to the lamp to
turn the lamp on. The lamps
can be adjusted to point in
the direction you want.
Press the button again to turn the lamp off.
Dome Lamps
The dome lamps will come on when you open the doors.
You can also turn the dome lamps on by rotating the
thumbwheel, located next to the parking/headlamps
knob, all the way up. In this position, the dome lamps
will remain on whether the doors are opened or closed.
You can use the DOME OVERRIDE button, located
below the parking/headlamp knob, to set the dome
lamps to come on automatically when the doors are
opened, or remain off. To turn the lamps off, press the
button into the ªinº position. With the button in this

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2-55 Electrochromic Inside Rearview Mirror
with Compass (If Equipped)
When on, an electrochromic mirror automatically dims
to the proper level to minimize glare from lights behind
you after dark.
The mirror also includes an eight-point compass display
in the upper right corner of the mirror face. When on,
the compass automatically calibrates as the vehicle
is driven.
Mirror Operation
The right side of the switch located at the bottom of the
mirror turns the electrochromic mirror on and off. The
LED, located to the right of the switch, will come on
when the electrochromic mirror is turned on. To turn the
mirror on, press and hold the MIRROR button for three
seconds. The mirror will darken and remain dark until
the button is released. To turn the mirror off, press and
release the MIRROR button.

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To adjust for compass variance:
1. Press and hold the COMP button, located at the
bottom of the mirror, for three seconds until a zone
number appears in the display.
2. Find your current location and variance zone number
on the following zone map.
3. Press the COMP button on the bottom of the mirror
until the new zone number appears in the display.
After you stop pressing the button in, the display will
show a compass direction within a few seconds.
Electrochromic Inside Rearview Mirror
with Compass and Temperature Display
(If Equipped)
When on, an electrochromic mirror automatically dims
to the proper level to minimize glare from lights behind
you after dark.
The mirror also includes a display in the upper right
corner of the mirror face. This can be used as a compass
or to indicate outside air temperature.

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Temperature Display
The temperature can be displayed by pressing the TEMP
side of the switch. Pressing the TEMP switch once
briefly, will toggle the temperature reading on and off.
To alternate the temperature reading between Fahrenheit
and Celsius, press and hold the TEMP button for
three seconds until the display blinks F
and C
.
Press and release the TEMP switch to toggle between
the Fahrenheit and Celsius readings. After five seconds
of inactivity, the display will return to a normal
temperature reading.Press and release the TEMP switch to toggle the
temperature display between Fahrenheit or Celsius. If an
abnormal reading is displayed, please consult your dealer.
Electrochromic Mirror Operation
The right side of the switch, labeled TEMP and located
at the bottom of the mirror, turns the electrochromic
mirror on and off. An indicator light, located to the
right of the TEMP switch, will come on when the
electrochromic mirror is turned on. To turn the mirror
on, press and hold the TEMP button for six seconds.
To turn the mirror off, press and hold the TEMP button
for six seconds. The indicator light will turn off.
Compass Operation
Press the COMP switch once briefly to turn the compass
on or off.
When the ignition and the compass feature are on, the
compass will show two character boxes for
approximately two seconds. After two seconds, the
mirror will display the compass heading.
When cleaning the mirror, use a paper towel or similar
material dampened with glass cleaner. Do not spray
glass cleaner directly on the mirror as that may cause the
liquid cleaner to enter the mirror housing.

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4. Add one peg at a time
until the PUSH button
on the compartment
door will operate the
garage door opener, with
the compartment door
closed, when you
press the button
marked PUSH.5. Now, with the
compartment door
closed, press the button
marked PUSH again to
make sure the garage
door opener
operates properly.
With the garage door opener positioned properly and the
right number of pegs in place, you should only have to
press the PUSH button slightly to operate the opener.
6. Adjust the position of the garage door opener and
add or remove pegs, as needed, until the opener
operates properly.

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Ashtrays and Cigarette Lighter
Front Ashtray
The front ashtray is located near the center of the
instrument panel. Pull on the bottom of the ashtray door
to open it.
NOTICE:
If you store paper or other things that burn in
your ashtrays, they could be set on fire by
cigarettes or other smoking materials. That could
cause a fire and possibly damage your vehicle. Do
not store papers and other things that burn in
your ashtrays.
To remove the front ashtray, press the retainer spring
and pull the ashtray toward you. To replace the ashtray,
place the ashtray on the slides at the side of its location
in the instrument panel. Then slide the ashtray back to
its original position.
To use the cigarette lighter, push 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 with your hand
while it's heating can make it overload, damaging
the lighter and the heating element. Just push the
lighter all the way in and let go. When it's done,
it will pop back by itself.

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2-67 Accessory Power Outlets
Two auxiliary power outlets are located near the
cigarette lighter. Use these outlets to power mobile
telephones or other devices designed to operate with
vehicle electrical systems.
The cigarette lighter is designed to fit only in the
receptacle to the right of the accessory power outlets.
Sun Visors
To block out glare, you can swing down the visors. You
can also swing them out to help block glare at the front
and side windows.
Your driver's side sun visor may have a clip to hold
small items, such as maps or a thin notebook. The
passenger's side sun visor may have a vanity mirror.
Cellular Telephone (If Equipped)
Your vehicle may be prewired for a cellular telephone.
Please consult your GM dealer or a qualified service
center for further information.
OnStar System (Option)
OnStar is a vehicle communications service which
may be ordered through your dealer. The following
OnStar services are available 24 hours a day:

Automatic Notification of Front Air Bag
Deployment

Emergency Services

Remote Door Unlock

Roadside Assistance with Location

Route Support

Convenience Services

Remote Diagnostics

Hands
-Free, Voice-Activated Cellular Telephone
For more information, contact your dealer.