Lubrication Oil Circulation In The Refrigerant Circuit; Checking Air Conditioning System Before Summer Season; Cooling And Dehumidifying In High Humidity And Low Temperature Weather Conditions; Air Conditioner Compressor Shut-Off When Engine Is Heavily Loaded - Subaru Forester 2013 Owner's Manual

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
efficiency.
& 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. We recommend
that you have your SUBARU dealer per-
form this check.
& 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
Climate control/Operating tips for heater and air conditioner
any problem with the air conditioning
system.
& Air conditioner compressor
shut-off when engine is
heavily loaded
To improve acceleration and fuel con-
sumption, the air conditioner compressor
is designed to temporarily shut off during
air conditioner operation whenever the
accelerator pedal is fully depressed such
as during rapid acceleration or when
driving up a steep incline.
& Refrigerant for your climate
control system
1) Air conditioner label
Your air conditioner uses ozone friendly
refrigerant HFO-1234yf or HFC134a.
Therefore, the method for adding, chan-
ging or checking the refrigerant is different
from the method for CFC12 (freon). Also,
the methods for adding, changing or
checking HFO-1234yf and HFC134a re-
frigerant are different. 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. We recommend that you consult
your SUBARU dealer for service. Repairs
needed as a result of using the wrong
refrigerant are not covered under the
warranty.
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