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:

    Headlamp Aiming
    Headlamp aim has been preset and should need no further adjustment. If the vehicle is damaged in a crash, the headlamp aim may be affected. If adjustment to the headlamps is necessary, see your deal ...

    MP3-Supported Files
    The Radio with CD (MP3), Radio with USB and CD (MP3), and Radio with USB and Six-Disc CD (MP3) have the capability of playing an MP3 CD-R or CD-RW disc. Format Radios that have the capability of pla ...

    When to Check and Change Automatic Transmission Fluid
    A good time to check the automatic transmission fluid level is when the engine oil is changed. Change the fluid and filter at the intervals listed in Maintenance Schedule on page 11‑3 and be su ...