See also:

Reporting Safety Defects to the Canadian Government
If you live in Canada, and you believe that the vehicle has a safety defect, notify Transport Canada immediately, and notify General Motors of Canada Limited. Call Transport Canada at 1-800-333-05 ...

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 ...

Ashtrays
For vehicles with a removable ashtray, the ashtray can be placed into the front console cupholders. To open the ashtray, lift the lid of the ashtray. After using, close the lid. To empty the ashtr ...