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:
ON
This is the normal operating position after
the engine is started. ...
The Inside
The interior is quiet enough at idle that one time I didn't even realize it
was running. That's when I recognized Subaru finally seems to have licked this
engine's chronic idle vibration. In this ...
Recommended fluid
NOTE
Using any non-specified type of automatic transmission fluid could result in
damage inside the transmission. When replacing the automatic transmission fluid,
be sure to use the specified typ ...
