2009 Toyota Avalon Owners Manual - Page 254

3-2. Using the audio system n Adjusting sound quality Turning Mode displayed "BAS" "MID" (if equipped) "TRE" "FAD" adjust the level. Sound quality mode Bass* Mid-range* Treble* Front/rear volume balance Left/right volume balance Level -5 to 5 -5 to 5 -5 to 5 Turn to the left Turn to the right Low High 3 F7 to R7 Shifts to rear Shifts to front Interior features "BAL" "SURROUND" (if equipped) L7 to R7 Shifts to left Shifts to right Surround ON/OFF OFF ON *: The sound quality level is adjusted individually in each radio mode or CD mode. n Adjusting the Automatic Sound Levelizer (ASL) When ASL is selected, turning and turning to the right turns on the ASL, to the left turns off the ASL. ASL automatically the volume and tone quality according to the vehicle speed. 229