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:
Back–Up Lamp
Removal of the lamp assembly is not required to replace the back-up lamp bulb.
To replace one of these lamps:
1. Open the liftgate. See Liftgate on page 2‑9.
2. Remove the interior trim acces ...
Engine Oil Life System
The engine oil life system calculates engine oil life based on vehicle use and, on most vehicles, displays a DIC message when it is necessary to change the engine oil and filter.
The oil life system ...
Towing the Vehicle From the Rear
Notice: Towing the vehicle from the rear could damage it. Also, repairs would
not be covered by the vehicle warranty. Never have the vehicle towed from the rear. ...





