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:

    Compass Zone Setting
    This display allows for setting the compass zone. See Compass on page 5‑6 for more information. ...

    Fuel
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    Ending a Call
    Press to end a call. ...