2011 Toyota Highlander Owners Manual - Page 348

3 -2 . U sing t he a udio syst e m Opt im a l use of t he a udio syst e m Selector buttons Adjusting the sound quality and ASL Menu button Using the audio control function n Changing sound quality modes STEP 1 STEP 2 Press Press . that corresponds to the desired mode. "BASS", "MID" (type B only), "TREB", "FADE", or "BAL" n Adjusting sound quality Turning adjusts the level. 328