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:
Adding a Snow Plow or Similar Equipment
Before installing a snow plow on the vehicle, here are some things you need to know:
Notice: If the vehicle does not have the snow plow prep package, adding a plow can damage the vehicle, and the rep ...
Pairing
A Bluetooth&-enabled cell phone must be paired to the Bluetooth system and then
connected to the vehicle before it can be used. See your cell phone manufacturer's
user guide for Bluetooth ...
Vehicle Overview
GM says the Sierra 1500 Hybrid's gasoline V-8 and electric motors team up for
an overall mileage improvement compared with the regular Sierra. The Sierra
Hybrid is only available as a rear- or fou ...





