See also:

Passenger Sensing System
If the vehicle has one of the indicators pictured in the following illustrations, then the vehicle has a passenger sensing system for the right front passenger position, unless there is an airbag off ...

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 communicat ...

Adjusting the Speakers (Balance/Fade)
BAL/FADE (Balance/Fade): To adjust the balance or fade: 1. Press until the speaker control tabs display. 2. Continue pressing to highlight the tab, or press the softkey under the tab. 3. To adju ...