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:

    Vehicle Speakers
    Audio from the DVD player or an auxiliary device can be heard through the vehicle speakers or the wireless/wired headphones, while the radio is tuned to one of the six frequencies selected on the ...

    Electric Parking Brake Light
    For vehicles with the Electric Parking Brake (EPB), this light should come on briefly as the engine is started. If it does not come on, have the vehicle serviced by your dealer. The parking b ...

    Wipe Parking
    If the ignition is changed to STOPPING THE ENGINE/OFF mode while the wipers are on 1, 2, or INT, they will immediately stop. If the windshield wiper lever is then moved to off before the driver do ...