2009 Toyota Yaris Owners Manual - Page 242

3 -2 . U sing t he a udio syst e m Opt im a l use of t he a udio syst e m Displays the current mode Changes the following setting Sound quality and volume balance. The sound quality and balance setting can be changed to produce the best sound. Using the AUDIO CONTROL function 3 n Changing sound quality modes Interior features Pressing order. selects the mode to be changed in the following BAS → TRE → FAD → BAL → ASL n Adjusting sound quality Turning Sound quality mode Bass Treble Front/rear balance Left/right balance adjusts the level. Mode displayed BAS TRE FAD BAL Turn to the left Low Shifts to rear Shifts to left Turn to the right High Shifts to front Shifts to right Level -5 to 5 -5 to 5 R7 to F7 L7 to R7 207