See also:

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. ...

Engine
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Non-turbo models
Non-turbo models 1) Power steering fluid reservoir 2) Manual transmission oil level gauge (MT) or Differential gear oil level gauge (AT) 3) Clutch fluid reservoir 4) Automatic transmission ...