Interior Mirror
The vehicle has an automatic dimming inside rearview mirror. Automatic dimming reduces the glare of lights from behind the vehicle. The dimming feature comes on and the indicator light illuminates each time the vehicle is started.
Press the 
button, located on the
mirror, to turn the
dimming feature and compass on or off.
See Automatic Dimming Rearview Mirror.
See also:
Error Messages
If Disc Read Error displays and/or
the disc comes out, it could be for
one of the following reasons:
• The disc has an invalid or
unknown format.
• The disc is not from a correct
region. ...
Brake Pedal Travel
See your dealer if the brake pedal does not return to normal height, or if there
is a rapid increase in pedal travel. This could be a sign that brake service might
be required. ...
Navigation
This display is used for the OnStar
or Navigation System Turn-by-Turn
guidance. See OnStar Overview or the navigation manual,
if the vehicle has navigation, for
more information. ...