OnStar

See also:

Window Lockout
(Window Lockout): The rear window lockout button is located on the driver’s door armrest near the window switches. Press the right side of this button to disable the rear window controls. ...

Home Page Features
Various functions are disabled when the vehicle is moving. Press the Now Playing screen button to display the active source page. The sources available are AM, FM, XM (if equipped), CD, USB ...

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. ...