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:

    Cruise Control Messages
    APPLY BRAKE BEFORE CRUISE If this message displays when attempting to activate cruise control, apply the brake pedal and try again. CRUISE SET TO XXX This message displays when the cruise co ...

    Skidding
    There are three types of skids that correspond to the vehicle's three control systems: Braking Skid — wheels are not rolling. Steering or Cornering Skid — too much speed or steering in a c ...

    Adaptive cruise control
    The XLR will be among the first vehicles with adaptive cruise control (ACC). While not a substitute for full driver attention, this system greatly expands the convenience of cruise control. ACC us ...