2011 Toyota Highlander Owners Manual - Page 343

3-2. Using the audio system Type B and C Mode displayed BASS MID TREB FADE Sound quality mode Bass* Mid-range* (type C only) Treble* Front/rear volume balance Left/right volume balance Level -5 to 5 -5 to 5 -5 to 5 F7 to R7 Shifts to rear Shifts to front Low High Turn to the left Turn to the right BAL L7 to R7 Shifts to left Shifts to right 3 *: The sound quality level is adjusted individually in each audio mode. n Adjusting the Automatic Sound Levelizer (ASL) Type A When "ASL" is selected, turning to the right changes the Interior features amount of "ASL" in the order of "LOW", "MID" and "HIGH". Turning to the left turns "ASL" off. ASL automatically adjusts the volume and tone quality according to vehicle speed. 317