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:
Keys
WARNING
Leaving children in a vehicle with the ignition key is dangerous for many reasons.
Children or others could be badly injured or even killed. They could operate the
power windows or other ...
Anti-Pinch Feature
If an object is in the path of the sunroof when it is closing, the anti-pinch
feature detects the object and stops the sunroof from closing at the point of the
obstruction. The sunroof then return ...
When to Add Engine Oil
If the oil is below the cross-hatched area at the tip of the dipstick, add 1 L (1 qt) of the recommended oil and then recheck the level. See “Selecting the Right Engine Oil” in this section for ...