Page 218 of 506

the system then automatically changes
from the outside air circulation mode to
the recirculation mode.
When the intake air control button is
pushed under the following conditions,
the indicator light on the“
”side will
illuminate and the exhaust gas/outside
odor detecting sensor will turn on.
. The air flow control is not in the front
defroster mode (the indicator light on
the “
”front defroster button is
turned off).
. The outside temperature is about 328F
(08C) or more.
. The exhaust gas/outside odor detecting
sensor detects industrial odors such as
pulp or chemicals and exhaust gas
such as gasoline or diesel.
When the automatic intake air control is
ON, for the first 5 minutes, the recircula-
tion mode is selected to prevent dust, dirt
and pollen from entering the vehicle and
cleans the air inside of the vehicle with
Plasumacluster ion that are emitted from
the ventilator.
After 5 minutes, the sensor detects outside
odor and exhaust gas and automatically
alternates between the recirculation mode
and outside air circulation mode.
OPERATING TIPSGUID-7F1136F1-D18D-4E73-9301-8F9963EF4A1E
SAA1983
The sunload sensor*Aon the instrument
panel helps maintain a constant tempera-
ture. Do not put anything on or around this
sensor.
IN-CABIN MICROFILTERGUID-784B0915-84F7-48F5-9867-15CA5FFDAF9E
Page 438 of 506

WARNING
.Park the vehicle on a level surface, apply
the parking brake securely and block the
wheels to prevent the vehicle from
moving. Move the selector lever to P
(Park).
. Be sure the ignition switch is in the OFF
or LOCK position when performing any
parts replacement or repairs.
. Never connect or disconnect the battery
or any transistorized component while
the ignition switch is in the ON position.
. Never leave the engine or automatic
transmission related component har-
nesses disconnected while the ignition
switch is in the ON position.
. If you must work with the engine
running, keep your hands, clothing, hair
and tools away from moving fans, belts
and any other moving parts. .
It is advisable to secure or remove any
loose clothing and remove any jewelry,
such as rings, watches, etc. before
working on your vehicle.
. Always wear eye protection whenever
you work on your vehicle.
. If you must run the engine in an
enclosed space such as a garage, be
sure there is proper ventilation for
exhaust gases to escape.
. Never get under the vehicle while it is
supported only by a jack. If it is
necessary to work under the vehicle,
support it with safety stands.
. Keep smoking materials, flame and
sparks away from fuel tank and the
battery.
. Your vehicle is equipped with an auto-
matic engine cooling fan. It may come on
at any time without warning, even if the
ignition key is in the OFF position and
the engine is not running. To avoid
injury, always disconnect the negative
battery cable before working near the
fan.
. On gasoline engine models, the fuel
filter or fuel lines should be serviced by
an INFINITI retailer because the fuel lines
Maintenance and do-it-yourself8-5
MAINTENANCE PRECAUTIONS
Page 452 of 506
GUID-A762655D-D645-4C3F-90D2-925E81145437
SDI2033
Remove the retainers*1as illustrated and
pull out the filter element
*2.
The filter element should not be cleaned
and reused. Replace it according to the
maintenance intervals. See “INFINITI Ser-
vice and Maintenance Guide” for mainte-
nance intervals. When replacing the filter, wipe the inside of the air cleaner housing
and the cover with a damp cloth.
WARNING
.
Operating the engine with the air
cleaner removed can cause you or others
to be burned. The air cleaner not only
cleans the air, it stops flame if the
engine backfires. If it isn’t there, and the
engine backfires, you could be burned.
Do not drive with the air cleaner
removed, and be careful when working
on the engine with the air cleaner
removed.
. Never pour fuel into the throttle body or
attempt to start the engine with the air
cleaner removed. Doing so could result
in serious injury.
Maintenance and do-it-yourself8-19
AIR CLEANER