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. ...

Air Quality Sensor
This will allow you to select whether the system will operate at high or low sensitivity. Only vehicles with the dual zone climate control will have this option. Press SELECT when Air Quality ...

Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfer ...