See also:

Automatic Dimming Rearview Mirror with OnStar® and Compass
Your vehicle may have an automatic-dimming rearview mirror with a compass and the OnStar® system. There are three additional buttons for the OnStar® system. See your dealer for more informatio ...

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. ...

PASS-Key® III+ Electronic Immobilizer Operation
Your vehicle is equipped with PASS-Key® III+ (Personalized Automotive Security System) theft-deterrent system. PASS-Key® III+ is a passive theft-deterrent system. The system is automatically ...