2013 Toyota Corolla Owners Manual - Page 255

3-2. Using the audio system Type A Mode displayed "BAS" "TRE" "FAD" Sound quality mode Bass* Treble* Front/rear volume balance Left/right volume balance Level -5 to 5 -5 to 5 R7 to F7 Turn to the left Low Turn to the right High Shifts to front Shifts to rear "BAL" L7 to R7 Shifts to left Shifts to right *: The sound quality level is adjusted individually in each radio mode or CD mode. Type B Mode displayed "BASS" "TREBLE" "FADER" Sound quality mode Bass* Treble* Front/rear volume balance Left/right volume balance Level -5 to 5 -5 to 5 R7 to F7 Turn to the left Low Turn to the right High Shifts to rear Shifts to front "BALANCE" L7 to R7 Shifts to left Shifts to right *: The sound quality level is adjusted individually in each audio mode. 272