See also:

Steering Wheel Controls
If equipped, some audio controls can be adjusted at the steering wheel. (Next) : Press to go to the next favorite radio station, track on a CD, or folder on an iPod® or USB device. (Previous/En ...

Selecting Tracks on an iPod or USB Device (Vehicles without a Navigation System)
1. Press and hold or while listening to a song until the contents of the current folder display on the radio display. 2. Press and release or to scroll up or down the list, then press and hold ...

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 ...