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:

    DVD Distortion
    Video distortion can occur when operating cellular phones, scanners, CB radios, Global Positioning Systems (GPS)*, two-way radios, mobile faxes, or walkie talkies. It might be necessary to turn off ...

    Arming the System
    To arm the system, do one of the following: ○ Press on the RKE transmitter. ○ Lock the vehicle using the key in the driver door. The alarm automatically arms after about 30 seconds. Th ...

    Door Ajar Messages
    DRIVER DOOR OPEN This message displays and a chime may sound if the driver door is not fully closed and the vehicle is shifted out of P (Park). Stop and turn off the vehicle, check the door for obstr ...