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:

    Hazard Warning Flashers
    (Hazard Warning Flashers): Press this button located on top of the steering column, to make the front and rear turn signal lamps flash on and off. This warns others that you are having trouble. Pr ...

    Overview
    GMC Savana is engineered with an understanding of how you rely on a full-size van to get the job done right – whether it’s transporting up to 15 people in comfort in a Passenger Van, or moving ...

    Safety
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