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For U.S.A
The following information has been compiled according to Code of Federal Regulations “Title 49, Part 575”. ...

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. ...

Cleaning ventilation grille
Cleaning ventilation grille Always keep the front ventilation inlet grille free of snow, leaves, or other obstructions to ensure efficient heating and defrosting. Since the condenser is located in f ...