TTY Users

OnStar has the ability to communicate to the deaf, hard&-ofhearing, 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:

    Setting the Tone (Bass/Midrange/Treble)
    BASS/MID/TREB (Bass, Midrange, or Treble): To adjust bass, midrange, or treble: 1. Press until the tone control tabs display. 2. Continue pressing to highlight the tab, or press the softkey under ...

    Care of CDs
    If playing a CD-R, the sound quality can be reduced due to CD-R or CD-RW quality, the method of recording, the quality of the music that has been recorded, and the way the CD-R or CD-RW has been handl ...

    Blizzard Conditions
    Being stuck in snow can be a serious situation. Stay with the vehicle unless there is help nearby. If possible, use the Roadside Assistance Program (U.S. and Canada) on page 13‑7 or Roadside ...