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:

    Entry Lighting
    The headlamps, taillamps, license plate lamps, back–up lamps, dome lamps, and most of the interior lights turn on briefly when the Remote Keyless Entry (RKE) is pressed, or when the door ha ...

    SERVICE BRAKE ASSIST
    This message displays if there is a problem with the brake system. The brake system warning light and the antilock brake system (ABS) warning light may also display on the instrument panel cl ...

    Compact Spare Tire
    WARNING! Driving with more than one compact spare tire at a time could result in loss of braking and handling. This could lead to a crash and you or others could be injured. Use only one co ...