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:

    Operation
    (Off): Turns the climate control system off. Outside air still enters the vehicle and is directed to the floor. The airflow direction and temperature can be adjusted. Temperature Control: Turn ...

    Safety Belts
    Safety Belts Refer to the following sections for important information on how to use safety belts properly: • Safety Belts. • How to Wear Safety Belts Properly. • Lap-Shoulder Belt. ...

    Shifting Into Park (Automatic Transmission)
    WARNING It can be dangerous to get out of the vehicle if the shift lever is not fully in P (Park) with the parking brake firmly set. The vehicle can roll. If you have left the engine running, the ...