Subaru Legacy: Lubrication oil circulation in the refrigerant circuit - Operating tips for heater and air conditioner - Climate control - Subaru Legacy Owners ManualSubaru Legacy: 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.

    Efficient cooling after parking in direct sunlight
    After parking in direct sunlight, drive with the windows open for a few minutes to allow outside air to circulate into the heated interior. This results in quicker cooling by the air conditioner. ...

    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. ...

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