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:

    Finish Care
    Application of aftermarket clearcoat sealant/wax materials is not recommended. If painted surfaces are damaged, see your dealer to have the damage assessed and repaired. Foreign materials such as ...

    Bluetooth
    For vehicles equipped with Bluetooth capability, the system can interact with many cell phones, allowing: • Placement and receipt of calls in a hands-free mode. • Sharing of the cell phone’s a ...

    Storing and Deleting Phone Numbers
    The system can store up to 30 phone numbers as name tags in the Hands&-Free Directory that is shared between the Bluetooth and OnStar systems. The following commands are used to delete and stor ...