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:

    Engine Heater
    The engine coolant heater can provide easier starting and better fuel economy during engine warm-up in cold weather conditions at or below 0°F (−18°C). Vehicles with an engine coolant heater s ...

    Clearing the System
    Unless information is deleted out of the in-vehicle Bluetooth system, it will be retained indefinitely. This includes all saved name tags in the phone book and phone pairing information. For informat ...

    Washing the Vehicle
    To preserve the vehicle's finish, wash it often and out of direct sunlight. Notice: Do not use petroleum based, acidic, or abrasive cleaning agents as they can damage the vehicle's paint, m ...