Subaru 2003 Legacy - Manual (Page 168)

4-6
n Air inlet selection button
WARNING
Continued operation in the ON position may fog up the windows.
Switch to the OFF position as soon as the outside dusty condi-
tion clears.
HB5008BB
ON position (Recirculation): Interior air is recirculated inside the ve-
hicle. Push the air inlet selection button to the ON position. The indi-
cator light will come on.
OFF position (Outside Air): Outside air is drawn into the passenger
compartment. Push the air inlet selection button again to the OFF
position. The indicator light will go off.