See also:

OnStar®
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overv ...

Radio Menus
Radio menus are available for AM, FM, and XM, if equipped. Turn the Menu knob to open the main radio menu for that band. ...

Hazard Warning Flashers
Hazard Warning Flasher: Press this button located on the instrument panel above the audio system, to make the front and rear turn signal lamps flash on and off. Press again to turn the flashe ...