See also:

Security Light
The immobilizer light should come on briefly as the engine is started. If it does not come on, have the vehicle serviced by your dealer. If the system is working normally, the indicator light turn ...

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 Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. The OnStar sy ...