2010 GMC Savana 2500 Cargo Owner's Manual - Page 209

station could broadcast incorrect information that causes the radio features to work improperly. If this happens, contact the radio station. Playing the Radio O (Power/Volume): Press to turn the system on and off. Turn clockwise or counterclockwise to increase or decrease the volume. When the radio is turned on, it plays at the volume level that was last set. The volume can be adjusted using this knob. Radio with CD (MP3) shown, Radio with Six-Disc CD (MP3) similar The vehicle has one of these radios as its audio system. 4 (Information) (AM-FM Radio and Radio with CD (Base)): Press to switch the display between the radio station frequency and the time. While the ignition is off, press to display the time. (Information) (MP3 and RDS Features): 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 label, or press the pushbutton positioned under any one of the labels and the information about that label displays. When information is not available, No Info displays. 4-63 4 Radio Data System (RDS) The Radio may have a Radio Data System (RDS). The RDS feature is available for use only on FM stations that broadcast RDS information. This system relies upon receiving specific information from these stations and only works when the information is available. While the radio is tuned to an FM-RDS station, the station name or call letters displays. In rare cases, a radio