Subaru 2005 Legacy Owner's Manual page 247

Climate control
! Temperature control dial
button you operated.
To change the system back to the AUTO mode, press
the "AUTO" button.
! OFF button
Driver's side
The Automatic Climate Control system turns off (the
air conditioner compressor and fan turn off) when the
"OFF" button is pressed.
When the "OFF" button is pressed, the outside air in-
troduction mode (air inlet selection OFF) is automati-
cally selected.
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