2009 Toyota Sienna Owners Manual - Page 314

3-2. Using the audio system Using the audio control function n Changing sound quality modes Pressing order. "BAS"→"MID*1"→"TRE"→"FAD"→"BAL"→"SURROUND*1"→"ASL"→"RSE*2" selects the mode to be changed in the following *1: Type C only *2: Vehicles with rear seat entertainment system n Adjusting sound quality and volume balance Turning Mode displayed BAS* MID* (type C only) TRE* FAD adjusts the level. Sound quality mode Bass Mid-range Treble Front/rear volume balance Left/right volume balance Surround Turn to the left Turn to the right Level -5 to 5 -5 to 5 -5 to 5 R7 to F7 Low High Shifts to rear Shifts to front BAL SURROUND (type C only) L7 to R7 Shifts to left Shifts to right ON/OFF OFF ON *: The sound quality level is adjusted individually in each radio mode or CD mode. 288