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:
Windshield and Wiper Blades
Clean the outside of the windshield with glass cleaner.
Clean rubber blades using lint-free cloth or paper towel soaked with windshield washer fluid or a mild detergent. Wash the windshield thoroughl ...
Parking Brake
To set the parking brake, hold the regular brake pedal down, then push the parking brake pedal down.
If the ignition is on, the brake system warning light will come on.
See Brake System Warning Li ...
Brake Adjustment
Every time the brakes are applied, with or without the vehicle moving, the brakes
adjust for wear. ...





