See also:

Using the 3.5mm (1/8 in) Auxiliary Input Jack
The auxiliary input jack is located on the lower right side of the faceplate. This is not an audio output; do not plug a headphone set into the front auxiliary input jack. Connect an auxiliary input ...

Entry Lighting
The dome lamp, cargo lamp, and foot lamp inside the vehicle come on when any door is opened, if the dome lamp is in the door position. In addition, these lamps come on when the Remote Keyless Entr ...

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 ...