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:

    Wheel Alignment and Tire Balance
    The tires and wheels on your vehicle were aligned and balanced carefully at the factory to give you the longest tire life and best overall performance. Adjustments to wheel alignment and tire bal ...

    Halogen Bulbs
    CAUTION: Halogen bulbs have pressurized gas inside and can burst if you drop or scratch the bulb. You or others could be injured. Be sure to read and follow the instructions on the bulb package ...

    Brakes
    Brakes stop the vehicle and are crucial to safe driving. • Signs of brake wear may include chirping, grinding, or squealing noises, or difficulty stopping. • Trained dealer technicians hav ...