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. ...

Wiper and washer
WARNING In freezing weather, do not use the windshield washer until the windshield is sufficiently warmed by the defroster. Otherwise the washer fluid can freeze on the windshield, blocking your v ...

Brake booster
If the brake booster does not operate as described in the following procedure, have it checked by your SUBARU dealer. 1. With the engine off, depress the brake pedal several times, applying the sam ...