Lubrication oil circulation in the refrigerant circuit

Operate the air conditioner compressor at a low engine speed (at idle or low driving speeds) a few minutes each month during the off-season to circulate its oil.

    See also:

    Deactivating the REV alarm system
    To deactivate the REV indicator light and buzzer functions of the REValarm system, set the thousands place of the alarm-level engine speed to “–”. ...

    Cleaning the interior
    Use a soft, damp cloth to clean the climate control panel, audio equipment, instrument panel, center console, combination meter panel, and switches. (Do not use organic solvents.) ...

    Checking air conditioning system before summer season
    Check the air conditioner unit for refrigerant leaks, hose conditions, and proper operation each spring. Have the air conditioning system checked by your SUBARU dealer. ...