See also:

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. ...

Tire Inspection
We recommend that the tires, including the spare tire, if the vehicle has one, be inspected for signs of wear or damage at least once a month. Replace the tire if: ► The indicators at three or ...

Transferring Service
Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle ownership has chan ...