Mazda 2013 Mazda3 Owner's Manual page 277

Interior Comfort
Audio System
®
Bose Sound System-equipped model
Indication
NOTE
Depending on the type of audio unit, the
l
order in which the functions appear differs.
About 5 seconds after selecting any mode,
l
the volume function will be automatically
selected. To reset bass, treble, fade, and
balance, press the audio control dial for 2
seconds. The unit will beep and "CLEAR"
will be displayed.
Automatic Level Control (ALC)
(Standard audio-equipped model)
The automatic level control (ALC) is a
feature that automatically adjusts audio
volume and sound quality according to
the vehicle speed.
The volume increases in accordance with
the increase in vehicle speed, and
decreases as vehicle speed decreases.
6-36
Turn Left Turn Right
Off On
Off On
Decrease Increase
bass bass
Decrease Increase
treble treble
Shift the Shift the
sound to the sound to the
front rear
Shift the Shift the
sound to the sound to the
left right
Off On
Off On
Off On
Select mode
Select the desired ALC mode.
Mode
Turn the audio control dial to select ALC
OFF or ALC LEVEL1―7 modes. The
selected mode will be indicated.
Volume change
No change
Minimum
Medium
Maximum