See also:

OnStar Additional Information
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 own ...

Problems with Route Guidance
Inappropriate route guidance may occur under one or more of the following conditions: You have not turned onto the road indicated. Route guidance may not be available when using automatic rerout ...

General Information
For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people. Genuine GM parts have one of these marks: ...