See also:

Reading Lamps
The reading lamps are located on the overhead console. These lamps come on automatically when any door is opened. For manual operation, press the button next to each lamp to turn it on or off. ...

Customer Assistance Offices (U.S. and Canada)
GMC encourages customers to call the toll-free number for assistance. However, if a customer wishes to write or e-mail GMC, the letter should be addressed to: United States GMC Customer Assistance ...

Connecting a USB Storage Device or iPod®
The USB port can be used to control an iPod or a USB storage device. To connect a USB storage device, connect the device to the USB port located in the center console or on the instrument panel. To ...