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:

    Driver’s Control Center Differential (DCCD) (STI)
    Always use the utmost care when driving. Being overconfident because you are driving a vehicle with a driver’s control center differential could easily lead to a serious accident. All the ind ...

    Corrosion protection
    Refer to “Corrosion protection” F10-4. ...

    Recommended grade and viscosity
    Each oil manufacturer has its own base oils and additives. Never use different brands together. For details, refer to “Manual transmission, front differential and rear differential gear oil”. ...