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GMC Sierra 2008 - Automatic Dimming Rearview Mirror with Onstar, Compass and Temperature Display; Manual Rearview Mirror; Mirrors

GMC Sierra 2008
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{CAUTION:
Four-wheel drive vehicles with the transfer
case in NEUTRAL will allow the vehicle to roll,
even if the shift lever is in PARK (P). So, be
sure the transfer case is in a drive gear — not
in NEUTRAL. Always set the parking brake.
Follow the proper steps to be sure your vehicle will
not move. See Shifting Into Park on page 2-48.
If you are pulling a trailer, see Towing a Trailer
on page 4-54.
Mirrors
Manual Rearview Mirror
Adjust the mirror to see clearly behind your vehicle.
Hold the mirror in the center to move it up or down and
side to side. Adjust the mirror to avoid glare from the
lamps behind you. Push the tab forward for daytime
use and pull it for nighttime use.
Automatic Dimming Rearview
Mirror with OnStar
®
, Compass
and Temperature Display
Your vehicle may have this feature. When on, the
automatic dimming mirror dims to the proper level to
minimize glare from lights behind you after dark.
The mirror has a dual display in the upper right corner
of the mirror face that shows the compass reading
and the outside temperature.
Control buttons for the OnStar
®
system are at the
bottom of the mirror. See OnStar
®
System on page 2-64
for more information about the services OnStar
®
provides.
P(On/Off): This is the on/off button.
2-53

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