See also:

Reporting Safety Defects to theCanadian Government
If you live in Canada, and you believe that your vehicle has a safety defect, you should immediately notify Transport Canada, in addition to notifying General Motors of Canada Limited. You may c ...

Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...

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. ...