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:

    Brake System Warning Light
    With the ignition on, the brake system warning light comes on when the parking brake is set. If the vehicle is driven with the parking brake engaged, a chime sounds when the vehicle speed is great ...

    California Fuel Requirements
    If the vehicle is certified to meet California Emissions Standards, it is designed to operate on fuels that meet California specifications. See the underhood emission control label. If this f ...

    Tire Pressure
    Tire pressure is displayed in the DIC for each tire in either kilopascals (kPa) or pounds per square inch (psi). Press the vehicle information button until the DIC displays Front Tire kPa (P ...