2010 GMC Savana 2500 Cargo Owner's Manual - Page 210

H (Clock) (AM-FM Radio and Radio with CD (Base)): The radio has a clock button for setting the time. With this type of radio, the clock can be set with either the radio turned on or off. See Setting the Clock on page 4-60 for more information. Speed Compensated Volume (SCV): Radios with Speed Compensated Volume (SCV) automatically adjusts the radio volume to compensate for road and wind noise as you speed up or slow down while driving. That way, the volume level should sound about the same as you drive. To activate SCV: 1. Set the radio volume to the desired level. 2. Press the MENU button to display the radio setup menu. 3. Press the pushbutton under the AUTO VOLUM label on the radio display. 4. Press the pushbutton under the desired Speed Compensated Volume setting (OFF, Low, Med, or High) to select the level of radio volume compensation. The display times out after approximately 10 seconds. Each higher setting allows for more radio volume compensation at faster vehicle speeds. Finding a Station BAND: Press to switch between FM1 and FM2 and AM. The selection displays. f (Tune): Turn clockwise or counterclockwise to increase or decrease the station frequency. ©SEEK ¨: Press the arrows to go to the previous or to the next station and stay there. To scan stations, press and hold either arrow for two seconds until a beep sounds. The radio goes to a station, plays for a few seconds, then goes to the next station. For AM-FM Radio and Radio with CD (Base), the station frequency flashes while the radio is in the scan mode. Press either arrow again to stop scanning. The radio seeks and scans stations only with a strong signal that are in the selected band. For AM-FM Radio and Radio with CD (Base), scan presets within the current selected band by pressing and holding either SEEK arrow for four seconds until a double beep sounds. The radio goes to a stored preset, plays for a few seconds if a strong signal is present, then goes to the next stored preset. The station frequency flashes while the radio is in the scan mode. 4-64