Customer Assistance for Text Telephone (TTY) Users (U.S. and Canada)

To assist customers who are deaf, hard of hearing, or speech impaired and who use Text Telephones (TTYs), GMC has TTY equipment available at its Customer Assistance Center. Any TTY user can communicate with GMC by dialing:

1-800-462-8583. TTY users in Canada can dial 1-800-263-3830.

    See also:

    File System and Naming
    The song name that displays is the song name that is contained in the ID3 tag. If the song name is not present in the ID3 tag, then the radio displays the file name without the extension (such as .mp3 ...

    Setting the Tone (Bass/Midrange/Treble) (All Except AM-FM Radio and Radio with CD)
    BASS/MID/TREB (Bass, Midrange, or Treble): To adjust the bass, midrange, or treble: 1. Press the knob until the tone control tabs display. 2. Highlight the desired tone control tab by doing one of ...

    Easy Exit Driver Seat
    This feature can move the seat rearward to allow extra room to exit the vehicle. (Easy Exit Driver Seat): Press to recall the easy exit seat position. The vehicle must be in P (Park). If the eas ...