Toyota 2009 Tundra Owner's Manual page 348

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