Operating Tips For Heater And Air Conditioner; Cleaning Ventilation Grille; Efficient Cooling After Parking In Direct Sunlight; Lubrication Oil Circulation In The Refrigerant Circuit - Subaru WRX 2021 Owner's Manual

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Climate control/Operating tips for heater and air conditioner
Operating tips for heater and
air conditioner
& Cleaning ventilation grille
1) Front ventilation inlet 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 front of
the radiator, this area should be kept clean
because cooling performance is impaired
by any accumulation of insects and leaves
on the condenser.
& Efficient cooling after parking
in direct sunlight
After parking in direct sunlight, drive with
the windows open for a few minutes to
allow outside air to circulate into the
heated interior. This results in quicker
cooling by the air conditioner. Keep the
windows closed during the operation of the
air conditioner for maximum cooling effi-
ciency.
& 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.
& Checking air conditioning
system before summer sea-
son
Check the air conditioner unit for refriger-
ant leaks, hose conditions, and proper
operation each spring. Have the air con-
ditioning system checked by your
SUBARU dealer.
& Cooling and dehumidifying in
high humidity and low tem-
perature weather conditions
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
To improve acceleration and gas mileage,
the air conditioner compressor is designed
to temporarily shut off during air condi-
tioner operation whenever the accelerator
is fully depressed such as during rapid
acceleration or when driving up a steep
incline.
& Refrigerant for your climate
control system
Your air conditioner uses ozone friendly
refrigerant R-1234yf (HFO-1234yf). Con-
sult your SUBARU dealer for service.
Repairs needed as a result of using the
wrong refrigerant are not covered under
warranty.