2005 GMC Savana Van Owner's Manual - Page 176

Radio with Six-Disc CD INFO (Information): Press this knob to switch the display between the radio station frequency and the time. When the ignition is off, press this knob to display the time. For RDS, press the INFO knob to change what appears on the display while using RDS. The display options are station name, RDS station frequency, PTY, and the name of the program (if available). To change the default on the display, press the INFO knob until you see the display you want, then hold the knob until you hear a beep. The selected display will now be the default. AUTO VOL (Automatic Volume): With automatic volume, the audio system will adjust automatically to make up for road and wind noise as you drive by increasing the volume as vehicle speed increases. Set the volume at the desired level. Press this button to select MID, MED, or MAX. AUTO VOL will appear on the display. Each higher setting will provide more volume compensation at faster vehicle speeds. To turn automatic volume off, press this button until AUTO VOL OFF appears on the display. Playing the Radio PWR (Power): Push this knob to turn the system on and off. o VOLUME p: Turn this knob to increase or to decrease the volume. 3-62