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:
Backing Up
Hold the bottom of the steering wheel with one hand. To move the trailer to the
left, move that hand to the left. To move the trailer to the right, move your hand
to the right. Always back up slow ...
Windshield Wiper/Washer
The windshield wiper/washer lever is located on the right side of the steering
column. With the ignition in ACC/ACCESSORY or ON/RUN/ START, move the windshield
wiper lever to select the wiper sp ...
Shifting Into Four-Wheel Drive Low
When Four-Wheel Drive Low is engaged, vehicle speed should be kept below 72 km/h (45 mph).
Extended high-speed operation in Four-Wheel Drive Low may damage or shorten the life of the drivetrain.
To ...





