Subaru Legacy Manuals 2023 Legacy Owner's Manual | Page 324

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Air Filtration System
& Cooling and Dehumidifying in High Humidity and Low Temperature Weather Condition
s04ad05
Under certain weather conditions ( high relative humidity , low temperatures , etc .) a small amount of water vapor emission from the air outlets may be noticed . This condition is normal and does not indicate any problem with the air conditioning system .
& Air Conditioner Compressor Shut-Off When Engine Is Heavily Loaded s04ad06
To improve acceleration and gas mileage , the air conditioner compressor is designed to temporarily shut off during air conditioner operation whenever the accelerator is fully depressed such as during rapid acceleration or when driving on a steep upgrade .
& Refrigerant for Your Climate Control System s04ad07
1 ) Air conditioner label
Your air conditioner uses ozone friendly refrigerant R-1234yf ( HFO-1234yf ).
Before adding , changing or checking the refrigerant , check the air conditioner label in the location shown in the illustration to confirm which type of refrigerant is used in your vehicle .
Consult your SUBARU dealer for service .
Repairs needed as a result of using the wrong refrigerant are not covered under warranty .
4-8 . Air Filtration System s04ae
Your vehicle ’ s air conditioning system is equipped with an air filtration system . Replace the cabin air filter according to the replacement schedule found in the “ Warranty and Maintenance Booklet ”. This schedule should be followed to maintain the filter ’ s dust collection ability . Under extremely dusty conditions , the filter should be replaced more frequently . Have your filter checked or replaced by your SUBARU dealer . For replacement , use only a genuine SUBARU air filter kit .
CAUTION
Contact your SUBARU dealer if the following occurs , even if it is not yet time to change the filter .
. Reduction of the airflow through the vents .
. Windshield gets easily fogged or misted .
NOTE
The filter can influence the air conditioning , heating and defroster performance if not properly maintained .