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 Delay
    Press the customization button until HEADLAMP DELAY: 10 SEC appears in the display. To select your preference for how long the headlamps will stay on when you turn off the vehicle, press the selec ...

    Root Directory
    The root directory of the CD is treated as a folder. If the root directory has compressed audio files, the directory displays as F1 ROOT. All files contained directly under the root directory ar ...

    Deleting Name Tags
    The system uses the following commands to delete name tags: • Delete • Delete all name tags ...