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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 OnStar
®
System on page 2-41
for more information about the services OnStar
®
provides. See Compass on page 2-39 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 (F or C) 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/retailer.
Cleaning the Mirror
Do not spray glass cleaner directly on the mirror. Use a
soft towel dampened with water.
2-38