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:

    If a Crash Occurs
    If there has been an injury, call emergency services for help. Do not leave the scene of a crash until all matters have been taken care of. Move the vehicle only if its position puts you in d ...

    Low Fuel Warning Light
    This light comes on for a few seconds when the ignition is turned on as a check to indicate it is working. If it does not come on, have it fixed. The low fuel warning light (A) comes on and a chime ...

    Receiving a Call
    When an incoming call is received, the audio system mutes and a ring tone is heard in the vehicle. ► Press . ► Press to ignore a call. ...