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:
Remote Vehicle Start
This vehicle may have a remote starting feature that starts the engine from outside of the vehicle.
(Remote Start): This button is located on the RKE transmitter if the vehicle has remote start.
La ...
Child Restraint Systems
(A) Rear&-Facing Infant Seat
A rear-facing infant seat (A) provides restraint with the seating surface against
the back of the infant.
The harness system holds the infant in place and, in a ...
Range Selection Mode (Allison® Transmission or Hydra-Matic® 6-Speed
Transmission)
The vehicle may have a Range Selection Mode. The Range Selection Mode helps control the vehicle's transmission and vehicle speed while driving down hill or towing a trailer by letting you select a d ...