TTY Users

OnStar has the ability to communicate to the deaf, hard–of–hearing, or speech–impaired customers while in the vehicle.

The available dealer–installed TTY system can provide in-vehicle access to all of the OnStar services, except Virtual Advisor and OnStar Turn–by–Turn Navigation.

    See also:

    Operation
    Full View of Radio with CD Shown, Radio with Six-Disc CD Similar Partial View of Radio with DVD Audio, Hard Drive Device (HDD), and USB The vehicle may have one of these radios as its audio ...

    TRACTION CONTROL OFF
    This message displays when the traction control system has been turned off. ...

    3.5mm Auxiliary Input Jack
    Connect a 3.5mm (1/8 in) cable to the 3.5mm auxiliary input jack to use a portable audio player. Playback of an audio device that is connected to the 3.5mm auxiliary input jack can only be contro ...