2007 Buick Rainier Owner's Manual - Page 230

AUTO VOL (Automatic Volume): With automatic volume, the audio system adjusts automatically to make up for road and wind noise as you drive. Set the volume at the desired level. Press this button to select LOW, MEDIUM, or HIGH. AVOL displays. Each higher setting allows for more volume compensation at faster vehicle speeds. Then as you drive, automatic volume increases the volume, as necessary, to overcome noise at any speed. The volume level should always sound the same to you as you drive. NONE displays if the radio cannot determine the vehicle speed. To turn automatic volume off, press this button until OFF displays. o SEEK p: Press the right or the left arrow to go to the next or to the previous station and stay there. The radio only seeks stations with a strong signal that are in the selected band. o SCAN p: Press and hold either arrow for more than two seconds. SCAN displays and the radio produces one beep. The radio goes to a station, plays for a few seconds, then goes to the next station. Press either arrow again or one of the pushbuttons to stop scanning presets. To scan preset stations, press and hold either arrow for more than four seconds. PSCN displays and the radio produces two beeps. The radio goes to a preset station, plays for a few seconds, then goes to the next preset station. Press either arrow again or one of the pushbuttons to stop scanning presets. The radio only scans stations with a strong signal that are in the selected band. Finding a Station BAND: Press this button to switch between FM1, FM2, AM, or XM1 or XM2 (if equipped). The display shows the selection. o TUNE p: Turn this knob to select radio stations. 230