
05
5-121
Auto dehumidify (if equipped)
To increase cabin air quality and reduce
windshield misting, recirculation mode
switches off automatically after about 5
to 30 minutes, depending on the outside
temperature, and the air intake will
change to fresh mode.
Turning Auto Dehumidify ON or OFF
Climate control system
To turn the Auto Dehumidify feature on
or off, select Face level (
) mode and
while holding down the A/C icon, press
the air intake control (
) button at
least five times within three seconds.
When Auto Dehumidify is turned on,
the air intake control button indicator
will blink 6 times. When turned off, the
indicator will blink 3 times.
Infotainment system
Auto Dehumidify can be turned on and
off by selecting ‘Setup → Vehicle Settings → Climate → Automatic Ventilation → Auto Dehumidify’ from the infotainment
system screen.
For detailed information, refer to the
separately supplied infotainment
system manual.
Recirculating air when washer
fluid is used
Recirculation mode automatically
activates to reduce any objectionable
scent of the washer fluid from entering
the cabin when the windshield washer is
used.
When it is shifted to the recirculation
mode, the unpleasant scent may flow
into the vehicle.
However, in cold weather to prevent
the windshield from fogging up, the
recirculation mode may not be selected.
Turning Activate upon Washer Fluid
Use ON or OFF
Climate control system
To turn the Activate upon Washer Fluid
Use feature on or off, select Floor level
(
) mode, and then press the air
intake control () button four times
within two seconds while pressing the
A/C icon.
When Activate upon Washer Fluid Use
ON is turned on, the air intake control
button indicator will blink 6 times. When
turned off, the indicator will blink 3
times.
Infotainment system
Activate upon Washer Fluid Use can be
turned on and off by selecting ‘Setup → Vehicle Settings → Climate → Recirculate Air → Activate upon Washer Fluid Use (or Interlocking washer fluid)’ from the
infotainment system screen.
For detailed information, refer to the
separately supplied infotainment
system manual.

Convenient features
5-122
Sunroof inside air recirculation
(if equipped)
When the sunroof is opened, fresh
mode will be automatically selected.
At this time, if you press the air intake
control button, recirculation mode will
be selected but will change back to fresh
mode after 3 minutes. When the sunroof
is closed, the air intake position will
return to the original position that was
selected.
Automatic Controls for the
Driver Based on Climate Control
System Settings
The temperature of the driver’s seat
warmer, air ventilated seat and heated
steering wheel is automatically
controlled depending on the inside and
outside temperature of the vehicle when
the engine is running.
To use these features, it must be
enabled from the Settings menu in the
infotainment system screen. Select:
-Setup → Vehicle Settings → Seat → Heated/Ventilated Features → Heated/Ventilated Features → Auto. Controls That Use Climate Control Settings
For more details on Auto Comfort
Control, refer to “Seat Warmers” and
“Air ventilation seats” section in chapter
3 and “Heated Steering Wheel” section
in chapter 5.
Scheduled Ventilation Control
The Scheduled Ventilation Control
releases hot air in the vehicle to lower
cabin temperature before getting in the
vehicle.
Depending on the outside ambient
temperature, the blower is operated for 5
to 15 minutes while the vehicle is parked.
Turning Schedule Ventilation
Control On or Off
The Schedule Ventilation Control can be turned on and off by selecting ‘Setup → Vehicle Settings → Automatic Ventilation → Scheduled Ventilation Control’ from the infotainment system screen. Also, the
starting time can be set within 24 hours.
Schedule Ventilation Control operates
only once when the feature is set.

IndexI-4
C
Cabin air filter ...................................................................................................... 9-26
Filter inspection ................................................................................................ 9-26
Filter replacement ............................................................................................. 9-26
California perchlorate notice ............................................................................... 9-74
Child Restraint System (CRS) ............................................................................. 3-35
Children Always in the Rear ............................................................................ 3-35
Installing a Child Restraint System (CRS) ....................................................... 3-38
Selecting a Child Restraint System (CRS) ....................................................... 3-36
Climate control additional features .................................................................... 5-125
Auto Defogging System on Models with Automatic Temperature Control ... 5-125
Auto dehumidify ............................................................................................ 5-126
Automatic Controls for the Driver Based on
Climate Control System Settings .................................................................... 5-127
Recirculating air when washer fluid is used ................................................... 5-126
Scheduled Ventilation Control........................................................................ 5-127
Sunroof inside air recirculation ...................................................................... 5-127
Consumer Information ......................................................................................... 2-18
Cruise Control (CC) ............................................................................................ 7-73
Cruise Control Operation ................................................................................ 7-73
D
Declaration of conformity ................................................................................. 7-163
Front Radar ..................................................................................................... 7-163
Rear Corner Radar ......................................................................................... 7-163
Dimensions .......................................................................................................... 2-10
Door locks ............................................................................................................ 5-31
Auto door lock/unlock features ........................................................................ 5-35
Child-protector rear door locks ........................................................................ 5-35
Operating door locks from outside the vehicle ................................................ 5-31
Operating door unlocks from inside the vehicle .............................................. 5-33
Drive mode integrated control system ................................................................ 6-49
Driver Attention Warning (DAW) ...................................................................... 7-65
Driver Attention Warning Malfunction andLimitations ................................... 7-68
Driver Attention Warning operation ................................................................. 7-66
Driver Attention Warning Settings .................................................................. 7-65
010_NX4a_HMA_INDEX.indd I-4 2021-03-02 5:44:47

I
I-9
L
Lane Following Assist (LFA) ............................................................................ 7-101
Lane Following Assist Malfunction and Limitations ..................................... 7-104
Lane Following Assist Operation ................................................................... 7-102
Lane Following Assist Settings ...................................................................... 7-101
Lane Keeping Assist (LKA) ............................................................................... 7-31
Lane Keeping Assist Malfunction and Limitations .......................................... 7-35
Lane Keeping Assist Operation ........................................................................ 7-33
Lane Keeping Assist Settings .......................................................................... 7-31
LCD display ......................................................................................................... 4-29
LCD display control ......................................................................................... 4-29
Trip computer (Type A) .................................................................................... 4-40
Trip computer (Type B) .................................................................................... 4-43
User settings mode ........................................................................................... 4-33
View modes ...................................................................................................... 4-30
Light bulbs ........................................................................................................... 9-54
Headlamp, position lamp, turn signal lamp, Daytime Running Light (DRL)
replacement ....................................................................................................... 9-55
High mounted stop lamp replacement .............................................................. 9-60
Interior light replacement ................................................................................. 9-61
License plate lamp replacement ....................................................................... 9-60
Rear combination lamp replacement ................................................................ 9-56
Side repeater lamp replacement ....................................................................... 9-56
Lighting ............................................................................................................... 5-80
Exterior lights ................................................................................................... 5-80
M
Maintenance services ............................................................................................. 9-4
Owner maintenance precautions ........................................................................ 9-4
Owner’s responsibility ....................................................................................... 9-4
Manual climate control system ............................................................................ 5-99
Heating and air conditioning .......................................................................... 5-100
System maintenance ....................................................................................... 5-106
System operation ............................................................................................ 5-104
Manual Speed Limit Assist (MSLA) .................................................................. 7-57
Manual Speed Limit Assist Operation ........................................................... 7-57
Mirrors ................................................................................................................. 5-43
Inside rearview mirror ...................................................................................... 5-43
Side View mirrors ............................................................................................. 5-53
010_NX4a_HMA_INDEX.indd I-92021-03-02 5:44:48