2012 Toyota Yaris Owners Manual - Page 575

3 -2 . U sing t he a udio syst e m Opt im a l use of t he a udio syst e m ∗ Type A Displays the current mode Changes the following setting Sound quality and volume balance (→P. 214) The sound quality and balance setting can be changed to produce the best sound. Type B 3 Interior features Using the AUDIO CONTROL function