See also:

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 ...

Power Seat Adjustment
To adjust the power driver seat, if equipped: Move the seat forward or rearward by sliding the control forward or rearward. Raise or lower the front part of the seat cushion by moving the fron ...

Initial Drive Information
This section provides a brief overview about some of the important features that may or may not be on your specific vehicle. For more detailed information, refer to each of the features which can b ...