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:
Rear Wiper Blade Replacement
The rear wiper blade and wiper arm have a cover for protection. The cover must
be removed before the wiper blade can be replaced. To remove the cover:
1. Slide a plastic tool under the cover and ...
DIC Buttons
The buttons are the set/reset, customization, vehicle information, and trip/fuel buttons. The button functions are detailed in the following pages.
(Set/Reset): Press this button to set or reset c ...
Tire Rotation and Required Services Every 12 000 km/ 7,500 mi
Rotate the tires, if recommended for the vehicle, and perform the following services.
See Tire Rotation on page 10‑57.
○ Check engine oil level and oil life percentage. If needed, chang ...





