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:

    Towing with a Stability Control System
    When towing, the sound of the stability control system might be heard. The system is reacting to the vehicle movement caused by the trailer, which mainly occurs during cornering. This is normal wh ...

    StabiliTrak® System
    The StabliTrak system assists with directional control of the vehicle in difficult driving conditions. The system turns on automatically every time the vehicle is started. • To turn off bot ...

    Fuel Gage
    The fuel gage shows about how much fuel is in the tank. An arrow on the fuel gage indicates the side of the vehicle the fuel door is on. The gage works only when the ignition is on. When the i ...