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:

    Cleaning the Display
    Notice: Using abrasive cleaners when cleaning glass surfaces could scratch the glass. Use only a soft cloth and do not spray cleaner directly on the system as it could affect the mechanical parts. ...

    Drunk Driving
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    Driver Information Center (DIC)
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