See also:

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 ...

Sensors
The solar sensor, located in the defrost grille in the middle of the instrument panel, monitors the solar heat. Do not cover the solar sensor or the system will not work properly. The interior te ...

Adding or Removing Categories
1. From the Home Page press the Config screen button or the CONFIG button on the faceplate. 2. Select Radio Settings from the Config Menu list. 3. Select Add/Remove XM Categories. 4. From the Add ...