Mirrors
Automatic Dimming Rearview Mirror
The vehicle may have an automatic dimming inside
rearview mirror with a compass display and/or
map lamps, and OnStar
changes to reduce glare from headlamps behind you.
A time delay feature prevents rapid changing from
the day to night positions while driving under lights and
through traffic.
If the vehicle has OnStar, there are three control buttons
located at the bottom of the mirror. See the OnStar
owner's guide for more information on the services
®
OnStar
provides.
P
(On/Off): The automatic dimming feature is activated
when the vehicle is started. Press and hold this button
for up to six seconds to turn this feature on or off.
T
(Indicator Light): This light turns on when the
automatic dimming feature is active.
3-38
®
. The mirror automatically
Map Lamps
If the mirror has map lamps, they are located at the
bottom of the mirror. To manually turn the lamps on or
off, press the button next to each lamp.
Cleaning the Mirror
Do not spray glass cleaner directly on the mirror.
Use a soft towel dampened with water.
Compass
Compass Operation
®
With the compass feature on, each time the vehicle is
started, the compass will take a few seconds to
adjust and display the current compass heading.
For example, NE is displayed for north-east.