See also:

Theater Dimming
This feature allows for a three to five second fade out of the courtesy lamps instead of immediate turn off. ...

Compass Messages
CAL This message is displayed when the compass needs to be calibrated. See Compass . – – – Three dashes will be displayed if the compass needs service. See your dealer for service. ...

Onstar.com
The website provides access to account information, manages the OnStar subscription, and allows viewing of videos of each service. Get subscription plan pricing and sign up for OnStar Vehicle ...