2003 Buick LeSabre Owner's Manual - Page 179

Radio with CD DlSP (Display): Press this button to switch the display between the radio station frequency and the time. The time can be displayed with the ignition on or off. SCV (Speed-CompensatedVolume): With SCV, your audio system adjusts automatically to make up for road and wind noise as you drive. To get to SCV, press the TUNE/AUDIO button repeatedly until SPEED VOL is displayed. Turn the TUNE/AUDIO button to select OFF, MIN, MED or MAX. Each higher choice allows for more volume compensation at faster vehicle speeds. Then, as you drive, SCV automatically increases the volume, as necessary, to overcome noise at any speed. The volume level should always sound the same to you as you drive. If you don't want to use SCV, select OFF. to turn the system Playing the Radio PWR (Power): Push this knob on and off. VOL (Volume): Turn this knob to increase or to decrease the volume. 3-58