2009 Toyota Tundra Double Cab Owners Manual - Page 352

3-2. Using the audio system Mode displayed BAS MID TRE FAD Sound quality mode Bass* Mid-range* (type C only) Treble* Front/rear volume balance Left/right volume balance Level -5 to 5 -5 to 5 -5 to 5 R7 to F7 Turn to the left Turn to the right Low High Shifts to rear Shifts to front BAL L7 to R7 Shifts to left Shifts to right *: The sound quality level is adjusted individually in each radio mode or CD mode. n Adjusting the Automatic Sound Levelizer (ASL) When ASL is selected, turning to the right changes the amount of ASL in the order of LOW, MID and HIGH. Turning to the left turns ASL off. ASL automatically adjusts the volume and tone quality according to vehicle speed. n Setting the rear seat entertainment system lock (if equipped) When RSE is selected, turn until ON/OFF is displayed. The rear seat entertainment system lock remains on, even when the engine switch is turned off. 324