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:

    Recreational Vehicle Towing
    Recreational vehicle towing means towing the vehicle behind another vehicle, such as behind a motor home. The two most common types of recreational vehicle towing are known as dinghy towing and dolly ...

    Inadvertent Power Battery Saver
    This feature is designed to protect your vehicle’s battery against drainage from the interior lamps, or garage door opener. When the ignition is turned off, the power to these features will au ...

    Cooling System
    When you decide it is safe to lift the hood, here is what you will see: A. Coolant Recovery Tank B. Radiator Pressure Cap C. Engine Fan A. Coolant Recovery Tank B. Radiator Pressure Cap C. ...