Mazda 2015 5 Owner's Manual page 220

Interior Comfort
Audio System
qPower/Volume/Sound Controls
Power/Volume dial
Power ON/OFF
Switch the ignition to ACC or ON.
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.
Turn the power/volume dial to the right to
increase volume, to the left to decrease it.
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Audio control dial
Audio sound adjustment
1. Press the audio control dial to select the
function. The selected function will be
indicated.
*1 Depending on the mode selected, the
indication changes.
*2 Depending on the model, this
function, may not be available.