User Manual - Page 249

For 2021 ALTIMA SEDAN.

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When the climate system is in automatic
operation and the engine coolant tem-
perature and outside air temperature are
low, the air flow outlet may default to de-
froster mode for a maximum of 2 min-
utes 30 seconds. This is not a malfunc-
tion. After the engine coolant
temperature warms up, the air flow outlet
will return to foot mode and operation will
continue normally.
When the outside and interior cabin tem-
peratures are moderate to high, the in-
take setting may default to turn off air
recirculation to allow fresh air into the
passenger compartment. You may no-
tice air flow from the foot mode, bi-level
mode, or side demist vent outlets for a
maximum of 15 seconds. This may occur
when the previous climate setting was
turned off. This is not a malfunction. After
the initial warm air is expelled, the intake
will return to automatic control, the air
flow outlet will return to previous settings,
and operation will continue normally. To
exit, press any climate control button.
Keep the moonroof (if so equipped)
closed while the air conditioner is in
operation.
If you feel that the air flow mode you have
selected and the outlets the air is coming
out do not match, select the
mode.
When you change the air flow mode, you
may feel air flow from the foot outlets for
just a moment. This is not a malfunction.
The air conditioner system in your NISSAN
vehicle is charged with a refrigerant de-
signed with the environment in mind.
This refrigerant does not harm the
earth's ozone layer.
Special charging equipment and lubricant
is required when servicing your NISSAN air
conditioner. Using improper refrigerants or
lubricants will cause severe damage to
your air conditioner system. For additional
information, see “Air conditioner system re-
frigerant and oil recommendations”
(P. 10-8).
It is recommended that you visit a NISSAN
dealer to service your “environmentally
friendly air conditioner system.
WARNING
The air conditioner system contains re-
frigerant under high pressure. To avoid
personal injury, any air conditioner ser-
vice should be done only by an experi-
enced technician with proper
equipment.
SERVICING AIR CONDITIONER
Monitor, climate, audio, phone and voice recognition systems 4-43
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