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:
General Information
For service and parts needs, visit your dealer. You will receive genuine GM parts
and GM-trained and supported service people. Genuine GM parts have one of these
marks:
...
Sheet Metal Damage
If the vehicle is damaged and requires sheet metal repair or replacement, make
sure the body repair shop applies anti-corrosion material to parts repaired or replaced
to restore corrosion protecti ...
Bulb Replacement
For the proper type of replacement bulbs, see Replacement Bulbs on page 10‑37.
For any bulb changing procedure not listed in this section, contact your dealer. ...