See also:

Lockout Protection
If the key is in the ignition and the power door lock switch is used to lock the doors, all doors will lock and then the driver door will unlock. It is always recommended that the ignition key i ...

Automatic Transmission
The automatic transmission has a shift lever located on the console between the seats. P (Park): This position locks the front wheels. It is the best position to use when starting the engin ...

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 ...