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:
Other Rainy Weather Tips
Besides slowing down, other wet weather driving tips include:
○ Allow extra following distance.
○ Pass with caution.
○ Keep windshield wiping equipment in good shape.
○ Kee ...
Compass Zone
The zone is set to zone eight upon leaving the factory. Your dealer will set the correct zone for your location.
Under certain circumstances, such as during a long-distance, cross-country trip or mov ...
Weight of the Trailer
How heavy can a trailer safely be?
It depends on how the rig is used.
Speed, altitude, road grades, outside temperature, and how much the vehicle is used to pull a trailer are all important. It can ...





