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:

    Adjusting the Fader and Balance
    1. Press the TONE button. 2. Select Fader or Balance. 3. Select the value. Press the BACK button to go back to the Tone Settings menu. ...

    Making a Call
    To make a call: 1. Press once or twice, depending on the radio. 2. Enter the character sequence. See “Entering a Character Sequence” in Operation  for more information. 3. Select Call ...

    New Vehicle Break-In
    Notice: The vehicle does not need an elaborate break-in. But it will perform better in the long run if you follow these guidelines: Do not drive at any one constant speed, fast or slow, for the ...