2011 Chevrolet Express 1500 Cargo Owner's Manual - Page 178

7-4 Infotainment System 4 (Information) (AM-FM Radio and AM-FM Radio with CD): Press to switch the display between the radio station frequency and the time. While the ignition is off, press this button to display the time. Press to display additional text information related to the current FM-RDS station or MP3 song. A choice of additional information such as: Channel, Song, Artist, and CAT (category) can display. Continue pressing to highlight the desired tab, or press the softkey located under any one of the tabs and the information about that tab displays. Radio with CD (MP3) Shown; Radio with USB and CD (MP3) and Radio with CD Similar The vehicle has one of these radios as its audio system. Using the Radio O (Power/Volume): Press to turn the system on and off. Turn clockwise or counterclockwise to increase or decrease the volume.