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:

    Tow/Haul Mode
    (Tow/Haul): The vehicle may have a Tow/Haul mode. The button is located on the instrument panel under the climate controls. Push the button to activate the system. Push it again to deactivate the s ...

    What to Use
    WARNING Adding only plain water or some other liquid to the cooling system can be dangerous. Plain water and other liquids, can boil before the proper coolant mixture will. The coolant warning sy ...

    Child Restraint Systems
    (A) Rear&-Facing Infant Seat A rear-facing infant seat (A) provides restraint with the seating surface against the back of the infant. The harness system holds the infant in place and, in a ...