See also:

Cellular Phone Usage
Cellular phone usage may cause interference with the vehicle's radio. This interference may occur when making or receiving phone calls, charging the phone's battery, or simply having the phon ...

Automatic Door Lock
The doors are programmed to automatically lock when the shift lever is moved out of P (Park). The automatic door lock feature cannot be disabled. ...

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 ...