Automatic Dimming Rearview Mirror
To adjust the inside rearview mirror, hold the rearview mirror in the center and move it to view the area behind the vehicle.
The automatic dimming rearview mirror will automatically reduce the glare from the headlamps from behind. The dimming feature comes on when the vehicle is started.
(On/Off): Press to turn the dimming
feature on or off.
The vehicle may have IntelliBeam®. For more information on IntelliBeam, see “IntelliBeam Intelligent High-Beam Headlamp Control System” under Exterior Lamp Controls .
Vehicles with OnStar® have three additional control buttons located at the bottom of the mirror. See your dealer for more information about OnStar and how to subscribe to it. See OnStar Overview for more information.
See also:
Chemical Paint Spotting
Airborne pollutants can fall upon
and attack painted vehicle surfaces
causing blotchy, ring-shaped
discolorations, and small, irregular
dark spots etched into the paint
surface. ...
ACCESSORY MODE ACTIVE
If the vehicle has the keyless
access system, this message
displays when the accessory mode
is active. See Ignition Positions
(Key Access) or
Ignition Positions (Keyless Access) for more inf ...
Potential Issues
Some OnStar services are disabled
after five days. OnStar cannot
perform Remote Door Unlock or
Stolen Vehicle Assistance after the
vehicle has been off continuously
for five days. After five ...






