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:
StabiliTrak® System
The vehicle has a vehicle stability enhancement system called StabiliTrak. It
is an advanced computer controlled system that assists with directional control
of the vehicle in difficult driving co ...
Resetting the Power Foldaway Mirrors
Reset the power foldaway mirrors if:
• The mirrors are accidentally obstructed while folding.
• They are accidentally manually folded/unfolded.
• The mirrors will not stay in the unfolded pos ...
How to Add Automatic Transmission Fluid
Refer to Recommended Fluids and Lubricants on page 11‑12 to determine what kind of transmission fluid to use.
Using a funnel, add fluid down the transmission dipstick tube only after checking t ...





