Customer Assistance and Information

See also:

OnStar® Steering Wheel Controls
Your vehicle may have a Talk/Mute button that can be used to interact with OnStar® Hands-Free Calling. On some vehicles, you may have to hold the button for a few seconds and give the command ...

Wiper Blade Replacement
Windshield wiper blades should be inspected for wear and cracking. See Maintenance Schedule  for more information. Replacement blades come in different types and are removed in different ways. ...

Power Door Locks
(Unlock): Press to unlock all doors. (Lock): Press to lock all doors. See “Power Door Locks” in Vehicle Personalization . ...