Black plate (17,1)
GMC Sierra Owner Manual - 2013 - crc - 8/14/12
Keys, Doors, and Windows
2-17
Automatic Dimming
Rearview Mirror
Adjustment
Hold the rearview mirror in the
center and move it to view the area
behind the vehicle.
Operation
For vehicles with an automatic
dimming rearview mirror, the mirror
will automatically reduce the glare of
the headlamps from behind. The
dimming feature comes on each
time the vehicle is started.
O
(On/Off):
Press to turn the
dimming feature on or off.
The vehicle may also have a Rear
Vision Camera (RVC). See
If the vehicle has a RVC, the
O
button for turning the dimming
feature on or off will not be
available.
Vehicles with OnStar have three
additional control buttons located at
the bottom of the mirror. See a
dealer for more information about
OnStar and how to subscribe to it.
See
Cleaning the Mirror
Do not spray glass cleaner directly
on the mirror. Use a soft towel
dampened with water.
Windows
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WARNING
Never leave a child, a helpless
adult, or a pet alone in a vehicle,
especially with the windows
closed in warm or hot weather.
They can be overcome by the
extreme heat and suffer
permanent injuries or even death
from heat stroke.