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:

    Total Weight on the Vehicle's Tires
    Be sure the vehicle's tires are inflated to the inflation pressures found on the Certification Tire label on the drivers door or see Vehicle Load Limits on page 9‑17 for more information. Make s ...

    Finding a Station
    To select the band, see “Audio Source” earlier in this section. Turn the MENU/SEL knob to find a radio station. To select a preset station, touch the FAV button and choose a preset station. Se ...

    Radio Data System (RDS)
    The Radio Data System (RDS) feature is available for use only on FM stations that broadcast RDS information. This system relies upon receiving specific information from these stations and only works w ...