2-14 Keys, Doors and Windows
Automatic Dimming
Rearview Mirror
The vehicle may have an automatic
dimming inside rearview mirror.
Automatic dimming reduces the
glare of lights from behind the
vehicle.
The mirror may also have OnStar
®
and/or a compass and outside
temperature display.
Control buttons for the OnStar
system are at the bottom of the
mirror. See the OnStar Owners
Guide for more information about
the services OnStar provides. See
Compass on page 5‑3 for more
information about the compass
display. See “Temperature Display”
after, for more information about the
outside temperature display.
AUTO/
( / O (On/Off): Press
and hold AUTO/
( for about
three seconds or depending on the
mirror, press
O to turn automatic
dimming on or off. The automatic
dimming feature comes on and the
indicator light illuminates each time
the vehicle is started.
Temperature Display
Y b / O (On/Off): Press Y b or
depending on the mirror, press
O to
turn the display on or off.
To adjust between Fahrenheit and
Celsius:
1. Press and hold
Y b / O for a
few seconds. The current unit of
measure (C or F) flashes.
2. Press
Y b / O again and
release to change the unit of
measure. Wait several seconds
and the compass/temperature
display returns with the selected
unit of measure.
It is normal under certain conditions
for the temperature update to be
delayed. If an incorrect temperature
displays for an extended period, see
your dealer.
Cleaning the Mirror
Do not spray glass cleaner directly
on the mirror. Use a soft towel
dampened with water.
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