Power switch and volume control
Subaru Legacy / Subaru Legacy Owners Manual / Audio / Power and sound controls / Power switch and volume control

The dial is used for both power (ON/OFF) and volume control. The radio is turned ON and OFF by pressing the dial, and the volume is controlled by turning the dial.
See also:
Dimensions
...
When CD is in the player (type A)/ When playing back all CDs in the player (type
B)
When the “CD/AUX” button is pressed, the player will start playback. ...
Meter needles/gauge illumination setting (models with type A combination
meter)
When the setting is activated or deactivated,
the meter needles and gauge
illuminate and turn off as follows.
Activated:
When the driver’s door is opened while
the ignition switch is in the “L ...
