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:
Weight of the Trailer
How heavy can a trailer safely be? Speed, altitude, road grades, outside temperature,
special equipment, and the amount of tongue weight the vehicle can carry must be
considered. See “Weight of ...
Insuring the Vehicle
Protect your investment in the GM vehicle with comprehensive and collision insurance coverage.
There are significant differences in the quality of coverage afforded by various insurance policy terms. ...
Emissions Inspection and Maintenance Programs
Some local governments may have programs to inspect the on-vehicle emission control equipment.
For the inspection, the emission system test equipment is connected to the vehicle’s Data Link Connect ...