LEXUS NX300h 2020 Owners Manual
Manufacturer: LEXUS, Model Year: 2020, Model line: NX300h, Model: LEXUS NX300h 2020Pages: 484, PDF Size: 15.45 MB
Page 291 of 484

2915-2. Using the air conditioning system and defogger
LEXUS NX300h Owners Manual_USA_M78530_en
5
Interior features
■When the outside temperature is low
The dehumidification function may not 
operate even when “A/C” is pressed or 
“A/C” is selected.
■Ventilation and air conditioning odors
●To let fresh air in, set the air conditioning 
system to the outside air mode.
●During use, various odors from inside and 
outside the vehicle may enter into and 
accumulate in the air conditioning sys-
tem. This may then cause odor to be 
emitted from the vents.
●To reduce potential odors from occur-
ring:
• It is recommended that the air condition-
ing system be set to outside air mode 
prior to turning the vehicle off.
• The start timing of the blower may be 
delayed for a short period of time imme-
diately after the air conditioning system is 
started in automatic mode.
■Air conditioning filter
 P.367
■Customization
Settings (e.g. A/C automatic mode switch 
operation) can be changed.
(Customizable features:  P. 441)
■Main control screen
Using the touchpad of the Remote 
Touch ( P.284), select the button on 
the screen.
 to   can be adjusted by perform-
ing the following operations.
Flick operation: Move the pointer to 
the desired item and flick the touchpad 
up or down.
The item can be adjusted by one level.
Trace operation: After selecting the 
desired item, slide your finger up or 
down.
The item can be adjusted by the amount 
that you trace.
Trace operation cannot  be used while driv-
ing.
WARNING
■To prevent the windshield from fog-
ging up
Do not use the front windshield defogger 
switch during cool air operation in 
extremely humid weather. The difference 
between the temperature of the outside 
air and that of the windshield can cause 
the outer surface of the windshield to fog 
up, blocking your vision.
■To prevent burns
●Do not touch the rear view mirror sur-
faces when the outside rear view mir-
ror defoggers are on.
●Vehicles with windshield wiper de-
icer: Do not touch the glass at lower 
part of the windshield  or to the side of 
the front pillars when the windshield 
wiper de-icer is on.
NOTICE
■To prevent 12-volt battery discharge
Do not leave the air conditioning system 
on longer than necessary when the 
hybrid system is off.
Air conditioning control screen
BE 
Page 292 of 484

2925-2. Using the air conditioning system and defogger
LEXUS NX300h Owners Manual_USA_M78530_en
Sub menu
Selecting the sub menu item to switch the 
main screen.
: Display the air conditioning control 
screen
: Display the option control screen
Adjust the left-hand side tempera-
ture setting
Adjust the fan speed setting
Select the air flow mode
: Air flows to the upper body
: Air flows to the upper body and feet
: Air flows to the feet
: Air flows to the feet and the wind-
shield defogger operates
Adjust the right-hand side tem-
perature setting
Function on/off indicators
When the function is on, the indicator illu-
minates on the control screen.
Sub function menu
When the   button on the Remote 
Touch is pressed, the following functions 
can be switched on and off.
“AUTO”: Set automatic mode on/off 
(  P.295)
“OFF”: Turn the fan off
“A/C”: Set cooling and dehumidification 
function
“DUAL”: Adjust the temperature for driver  and passenger seats separately (“DUAL” 
mode) (
P.295)
: Set eco air conditioning mode
■Option control screen
Select   on the sub menu to display 
the option control screen.
The functions can be switched on and off.
When the function is on, the indicator illu-
minates on the screen.
Adjusting the temperature for 
driver and passenger seats sepa-
rately (“DUAL” mode) ( P.295)
Set eco air conditioning mode
Air conditioning and heater output is lim-
ited to prioritize fuel economy.
Cooling and dehumidification func-
tion
Select S-FLOW mode ( P.294)
Prevent ice from building up on the 
windshield and wiper blades 
(Windshield wiper de-icer) (if 
equipped)
Removing pollen from the air 
(Micro dust and pollen filter)
A
B
C
D
E
F
G
A
B
C
D
E
F 
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2935-2. Using the air conditioning system and defogger
LEXUS NX300h Owners Manual_USA_M78530_en
5
Interior features
■Side display (Vehicles with naviga-
tion system) Adjust the left-hand side tempera-
ture setting
Adjust the fan speed setting
Adjust the right-hand side tem-
perature setting
Set cooling and dehumidification 
function on/off
Adjust the temperature for the 
driver’s and front passenger’s seats 
separately (“DUAL” mode) 
( P.295)
Select the air flow mode
■Fogging up of the windows
●The windows will easily fog up when the 
humidity in the vehicle is high. Pressing 
“A/C” button or selecting “A/C” will 
dehumidify the air from the outlets and 
defog the windshield effectively.
●If you turn “A/C” off, the windows may 
fog up more easily.
●The windows may fog  up if the recircu-
lated air mode is used.
■Windshield wiper de-icer (if equipped)
This feature is used to prevent ice from 
building up on the wi ndshield and wiper 
blades.
Select   on the option control screen. When the windshield wiper de-icer on, 
 is displayed on the air conditioning 
control screen.
The windshield wiper de-icer will automati-
cally turn off after a period of time.
■Eco air conditioning mode
When Eco mode is selected using the driv-
ing mode select switch, eco air conditioning 
mode turns on. When a drive mode other 
than Eco mode is selected, eco air condi-
tioning mode may turn off.
■S-FLOW mode
Priority for airflow is given to the front seats, 
and the airflow and air conditioning for the 
rear seats is effe ctively controlled.
Select   on the option control screen.
The indicator comes on when S-FLOW 
mode is on.
Select   again to return to the previ-
ous mode.
■Micro dust and pollen filter
Pollen is removed from the air and the air 
flows to the upper part of the body.
Select   on the option control screen.
When the micro dust and pollen filter is on,   is displayed on the air conditioning 
control screen.
In order to prevent the windshield from fog-
ging up when the outside air is cold, the 
dehumidification function may operate.
The pollens are filtered out even if the micro 
dust and pollen filter is turned off.
A
B
C
D
E
F
WARNING
■To prevent burns (vehicles with wind-
shield wiper de-icer)
Do not touch the glass at lower part of 
the windshield or to the side of the front 
pillars when the windshield wiper de-icer 
is on. 
Page 294 of 484

2945-2. Using the air conditioning system and defogger
LEXUS NX300h Owners Manual_USA_M78530_en
1Press the “AUTO” button.
2 Adjust the temperature setting.
3 To stop the operation, press the 
“OFF” button.
If the fan speed setting or air flow 
modes are operated , the automatic 
mode indicator goes off. However, 
automatic mode for functions other 
than that operated is maintained.
■Using automatic mode
Fan speed is adjusted automatically accord-
ing to the temperature setting and the 
ambient conditions.
Therefore, the fan may stop for a while until 
warm or cool air is ready to flow immedi-
ately after the “AUTO” button is pressed or 
“AUTO” is selected.
■Windshield fog detection function
When automatic mode is set, the humidity 
sensor ( P.295) detects fog on the wind-
shield and controls the air conditioning sys-
tem to prevent fog.
■Air conditioning filter
 P.367
■Customization
Settings (e.g. A/C automatic mode switch 
operation) can be changed.
(Customizable features:  P.441)
To turn on the “DUAL” mode, perform 
any of the following procedures:
Press the “DUAL” button.
 Select “DUAL” on the option con-
trol screen.
 Adjust the temperature setting of 
the passenger side with the passen-
ger side temperature adjustment 
button.
The indicator comes on when the “DUAL” 
mode is on.
Using automatic modeNOTICE
■Humidity sensor
In order to detect fog on the windshield, 
a sensor which monitors the temperature 
of the windshield, the surround humidity, 
etc., is installed.
Follow these points to avoid damaging 
the sensor:
●Do not disassemble the sensor
●Do not spray the glass cleaner on the 
sensor or subject it to strong impacts
●Do not stick anything on the sensor
Adjusting the temperature for 
driver and passenger seats sepa-
rately (“DUAL” mode) 
Page 295 of 484

2955-2. Using the air conditioning system and defogger
LEXUS NX300h Owners Manual_USA_M78530_en
5
Interior features
■Location of air outlets
The air outlets and air volume changes 
according to the selected air flow 
mode.
■Adjusting the position of and open-
ing and closing the air outlets
Front
1 Direct air flow to the left or right, up 
or down
2 Turn the knob to open or close the 
vent
Rear
1 Direct air flow to the left or right, up 
or down
2 Turn the knob to open or close the 
ventAir outlet layout and operations
WARNING
■To not interrupt the windshield defog-
ger from operating
Do not place anything on the instrument 
panel which may cover the air outlets. 
Otherwise, air flow may be obstructed, 
preventing the windshield defoggers 
from defogging. 
Page 296 of 484

2965-2. Using the air conditioning system and defogger
LEXUS NX300h Owners Manual_USA_M78530_en
*:If equipped
Turns the heated steering wheel on/off
The indicator light comes on when the 
heated steering wheel is operating.
■Operation condition
The power switch is in ON mode.
■Timer function
The heated steering wheel will automati-
cally turn off after about 30 minutes.
■Front
Vehicles without seat ventilators
Each time the switch is pressed, the 
operation condition changes as fol-
lows.
Hi (3 segments lit)   Mid (2 segments 
lit)   Lo (1 segment lit)   Off
The level indicator (amber)   light up 
during operation.
Heated steering wheel*/seat 
heaters*/seat ventilators*
 Heated steering wheel
Warm up the grip of the steering wheel
Seat heaters
Warm up the seat upholstery
Seat ventilators
Maintain good airflo w on the seat uphol-
stery by blowing air from the seats
WARNING
■To prevent minor burn injuries
Care should be taken if anyone in the fol-
lowing categories comes in contact with 
the steering wheel  or seats when the 
heater is on:
●Babies, small children, the elderly, the 
sick and the phys ically challenged
●Persons with sensitive skin
●Persons who are fatigued
●Persons who have taken alcohol or 
drugs that induce sleep (sleeping 
drugs, cold remedies, etc.)
NOTICE
■To prevent damage  to the seat heat-
ers and seat ventilators
Do not put heavy objects that have an 
uneven surface on the seat and do not 
stick sharp objects (needles, nails, etc.) 
into the seat.
■To prevent battery discharge
Do not use the functions when the hybrid 
system is off.
Heated steering wheel
Seat heaters
A 
Page 297 of 484

2975-2. Using the air conditioning system and defogger
LEXUS NX300h Owners Manual_USA_M78530_en
5
Interior features
Vehicles with seat ventilators
Each time the switch is pressed, the 
operation condition changes as fol-
lows.
Hi (3 segments lit)   Mid (2 segments 
lit)   Lo (1 segment lit)   Off
The indicator (amber) and level indicator 
(green)   light up during operation.
■Rear
Each time the switch is pressed, the 
operation condition changes as fol-
lows.
Hi (3 segments lit)   Mid (2 segments 
lit)   Lo (1 segment lit)   Off
The level indicator (amber)   lights up 
during operation.
■Operation condition
The seat heaters can be used when the 
power switch is in ON mode.
Each time the switch is pressed, the 
operation condition changes as fol-
lows.
Hi (3 segments lit)   Mid (2 segments 
lit)   Lo (1 segment lit)   Off
The indicator (green) and level indicator 
(green)   light up during operation.
A
A
WARNING
■To prevent causes of overheating and 
minor burn injuries
Observe the following precautions when 
using a seat heater
●Do not cover the seat with a blanket or 
cushion when using the seat heater.
●Do not use seat heater more than nec-
essary.
Seat ventilators (front)
A 
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2985-2. Using the air conditioning system and defogger
LEXUS NX300h Owners Manual_USA_M78530_en
■Operation condition
The power switch is in ON mode. 
Page 299 of 484

2995-3. Using the interior lights
LEXUS NX300h Owners Manual_USA_M78530_en
5
Interior features
5-3.Using the interior lights
Outer foot lights
Personal lights ( P.301)
Front interi or light (P.301)
Rear interior light ( P.301)
Footwell lights
• When the power switch is in ON mode, the footwell lights will turn on. However, if the instrume nt panel light control switch is  turned to minimum, the footwell 
lights will turn off. ( P.88)
• When the shift lever is in a position other th an P, the brightness of the footwell light will 
reduce intensity.
■Personal lights automatic on/off
●Illuminated entry system: The lights auto-
matically turn on/off according to power 
switch mode, the presence of the elec-
tronic key, whether the doors are locked/ 
unlocked, and whether the doors are 
opened/closed.
●If the interior lights remain on when the  power switch is turned off, the lights will 
go off automatically after 20 minutes.
■When front interior lights and personal 
lights do not respond as normal
●When water, dirt, etc., have adhered to 
the lens surface
●When operated with a wet hand
●When wearing gloves, etc.
Interior lights list
Location of the interior lights
A
B
C
D
E 
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3005-3. Using the interior lights
LEXUS NX300h Owners Manual_USA_M78530_en
■Customization
Setting (e.g. the time elapsed before lights 
turn off) can be changed. (Customizable 
features:  P.441)
■Front interior light
Turns the light on/off (touch the light)
The rear interior light also turns on/off.
However, when the rear interior light has 
already been turned on , it will not be con-
trolled by front interior light operations.
Turns the door position on/off 1
On
The front and rear interior lights turn on/ 
off when a door  is opened/closed.
2Off
■Rear interior light
Turns the light on/off
The rear interior light is also turned on/off 
by the front interior light operations.
If the light is turned on  by front interior light 
operation, the rear interior light cannot 
turn off by pressing the switch.
Turns the lights on/off (touch the lights)
NOTICE
■Removing light lenses
Never remove the lens for the front inte-
rior light and personal lights. Otherwise, 
the lights will be damaged. If the lens 
need to remove, contact your Lexus 
dealer.
■To prevent 12-volt battery discharge
Do not leave the lights on longer than 
necessary when the hy brid system is off.
Operating interior lights
Operating personal lights