interior lights GMC SIERRA 2004 Get To Know Guide

5
Automatic Dimming Rearview
Mirror with OnStar®, Compass
and Temperature Display
(if equipped)
Controls for the dimming feature, as well
as OnStar
®(if equipped) and the com-
pass and temperature displays, are
located on the bottom of the mirror.
When on, the automatic interior dimming
rearview mirror automatically dims to the
proper level to minimize glare from lights
behind you when it’s dark outside.
Turn the self-dimming function
on or off
•Press and hold for approximately
eight seconds.
Use the OnStar Communications
system
•Press to connect to an OnStar
®
Advisor.
•Press to answer or end a call
from the OnStar
®Center.
•Press in an emergency to connect
to an OnStar
®Advisor who can con-
tact the nearest emergency services
provider.
Turn the outside temperature dis-
plays and compass readings on or off
•Press .
Display temperature
•Press and hold for four seconds
(until the display blinks) to toggle
between °C and °F. Once the desired
°C or °F is displayed, release the
button. Wait four seconds and the
temperature will be displayed.
See Section 2 of your Owner Manual.
Automatic Climate Control
System (if equipped)
Adjust settings for automatic
operation
•Push the AUTO button (“A” above)
and adjust the temperature knob (“B”
above) to the desired temperature.
When automatic operation is active,
the system will control the inside
temperature, air delivery, and fan speed.
Set same temperature for driver and
front passenger
•Press and hold the AUTO button for
four seconds.
•Press and hold the AUTO button
again for four seconds to return to
individual driver/front passenger
controls.
Select air distribution manually
•Press and release the MODE
button (“C” above) until the desired
source of air is indicated on the
display.
The MODE feature allows you to select
air delivery to the floor, the instrument
panel outlets, or the windshield outlets.
Manually raise or lower fan speed
•Press the upper or lower portion of
the FAN control button (“D” above).
See Section 3 of your Owner Manual.
A B
CD
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