See also:

Wiper Activated Headlamps
This feature activates the headlamps and parking lamps after the windshield wipers have been in use for about six seconds. For this feature to work, the exterior lamp control must be in AUTO. ...

Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not o ...

Radio Menus
Radio menus are available for AM and FM. Turn the MENU/SELECT knob to open the main radio menu for that frequency. ...