Mazda 2005 MPV Owner's Manual page 196

Interior Comfort
Audio System
qPower/Volume/Sound Controls
Power/Volume dial
Power ON/OFF
Turn the ignition switch to the ACC or
ON position.
Press the power/volume dial to turn the
audio system on.
Press the power/volume dial again to turn
the audio system off.
NOTE
To prevent the battery from being
discharged, do not leave the audio
system on for a long period of time
when the engine is not running.
Volume adjustment
To adjust the volume, turn the power/
volume dial.
6-22
Display
Turn the power/volume dial to the right to
increase volume, to the left to decrease it.
Audio sound adjustment
1. Press the audio control dial to select the
Audio control dial
function. The selected function will be
indicated.