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:
Non-turbo models
The engine is designed to operate using
unleaded gasoline with an octane rating
of 87 AKI (90 RON) or higher. ...
To select a track/index from its beginning
Select a track/index in the same way that a track is selected when a CD is played.
For details, refer to “To select a track from its beginning”. ...
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Utility and crossovers go hand-in-hand, and the Outback comes up strong on
all the basics. Like every Subaru, its success will be limited by the
automaker's insistence on standard all-wheel drive, ...
