See also:

Air inlet selection button
Select airflow by pressing the air inlet selection button “”. ON position (recirculation): Interior air is recirculated inside the vehicle. Press the air inlet selection button to the ON position ...

Replacing the air cleaner element
Replace the air cleaner element according to the maintenance schedule in the “Warranty and Maintenance Booklet”. Under extremely dusty conditions, replace it more frequently. It is recommended that yo ...

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 ...