LEXUS LX570 2019 Owners Manual

LX570_OM_OM60R07U_(U) 4115-3. Using the air conditio ning system and defogger
5
Interior features ■
Switching between outside air and recirculated air modes
Press on the control panel. The mode switches among (recirculated air mode), “AUTO” and
(outside air mode) each time is pressed.
When the system is switched to auto matic mode, it operates automatically.■
Defogging the windshield
Defoggers are used to defog the wi ndshield and front side windows.
Press on the control panel. Set the outside/recirculated air mode button to outside air mode if the recirculated
air mode is used. (It may switch automatically.)
To defog the windshield and the side wind ows early, turn the air flow and tempera-
ture up.
To return to the previous mode, press
again when the windshield is
defogged.■
Defogging the rear window and outside rear view mirrors
Defoggers are used to defog the rear window and to remove raindrops, dew
and frost from the outside rear view mirrors.
Press on the control panel. Press again to turn the defogger off.
■
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. In order to prevent the windshield from fo gging 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.
■
Windshield wiper de-icer
This feature is used to prevent ice fr om building up on the windshield and
wiper blades.
Select on the option control screen. When the windshield wiper de-ice r is on, the indicator turns on.
The windshield wiper de-icer will automati cally turn off after a period of time.Other functions

412 5-3. Using the air conditioning system and defogger
LX570_OM_OM60R07U_(U) ■
Location of air outlets
The air outlets and air volume
changes according to the selected
air flow mode.
■
Adjusting the air flow direction and opening/closing the air outlets
Direct air flow to the left or right, up or down
Turn the knob to open or close the ventAir outlets 
Front side 
Front center
Rear
1
2

LX570_OM_OM60R07U_(U) 4135-3. Using the air conditio ning system and defogger
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Interior features ■
Using automatic mode
Fan speed is adjusted automatically according to the temperature setting and the ambi-
ent conditions.
Therefore, the fan may stop for a while until wa rm or cool air is ready to flow immediately
after the is pressed or on the control screen is selected. ■
Operation of the air conditioning system in Eco drive mode ●
In the Eco drive mode, the air conditioning sy stem is controlled as follows to prioritize
fuel efficiency
• Engine speed and compressor operation controlled to restrict heating/cooling
capacity
• Fan speed restricted when automatic mode is selected ●
To improve air conditioning performa nce, perform the following operations
• Adjust the fan speed
• Turn off Eco mode ■
Using the voice command system
Air conditioning system can be operated using voic e commands. For details, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL”. ■
Fogging up of the windows ●
The windows will easily fog up when the hu midity in the vehicl e is high. Selecting
will dehumidify the air from the outlets and defog the windshield effectively. ●
If you turn off, the wind ows may fog up more easily.●
The windows may fog up if the recirculated air mode is used. ■
Outside/recirculated air mode ●
When driving on dusty roads such as tunnels or in heavy traffic, set the outside/recircu-
lated air mode button to the recirculated air mode. This is effective in preventing out-
side air from enteri ng the vehicle interior. During cooling operation, setting the
recirculated air mode will also cool the vehicle interior effectively. ●
Outside/recirculated air mode may automa tically switch depending on the tempera-
ture setting or the inside temperature. ■
When the outside temperature exceeds 75  F (24  C) and the air conditioning system
is on ●
In order to reduce the air co nditioning power consumption, the air conditioning system
may switch to recirculated air mode automatically.
This may also reduce fuel consumption. ●
Recirculated air mode is selected as a defaul t mode when the engine switch is turned to
IGNITION ON mode. ●
It is possible to switch to outside air mode at any time by pressing .■
Automatic mode for air intake control
In automatic mode, the system detects exhaust gas and other pollutants and automati-
cally switches between outside air and recirculated air modes.
When the dehumidification function is off, and the fan is operating, turning automatic
mode on will activate the dehumidification function.

414 5-3. Using the air conditioning system and defogger
LX570_OM_OM60R07U_(U) ■
When the outside temperature is low
The dehumidification function may not operate even when is selected. ■
Micro dust and pollen filter ●
In order to prevent the windows from fogging up when the outside air is cold, the fol-
lowing may occur.
• Outside air mode does not swit ch to recirculated air mode.
• The air conditioning system operates automatically.
• The operation cancels after 1 minute. ●
In rainy weather, the windows may fog up. Press . ■
The rear window defogger, outside rear vi ew mirror defogger and windshield wiper de-
icer can be operated when
The engine switch is in IGNITION ON mode. ■
When the windshield wiper de-icer is on
The windshield wiper de-icer will automatically turn off after approximately 15 minutes.■
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 accu-
mulate in the air conditioning system. This may then cause odor to be emitted from the
vents. ●
To reduce potential odors from occurring:
• It is recommended that the air conditioning system be set to outside air mode prior
to turning the vehicle off.
• The start timing of the blower may be dela yed for a short period of time immediately
after the air conditioning system is started in automatic mode.■
While the cool box is on (if equipped)
The front air conditioning sy stem cannot be turned off.■
Air conditioning filter
 P. 503 ■
Customization
Settings (e.g. Exhaust gas sensor sensitivity) can be changed.
(Customizable features:  P. 584)
WARNING ■
To prevent the windshield from fogging up ●
Do not use during cool air operation in extremely humid weather. The differ-
ence 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 surfaces when the outside rear view mirror defog-
gers are on. ●
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.

LX570_OM_OM60R07U_(U) 4155-3. Using the air conditio ning system and defogger
5
Interior features NOTICE ■
To prevent battery discharge
Do not leave the air conditioni ng system on longer than necessary when the engine is
not running.

416
LX570_OM_OM60R07U_(U) 5-3. Using the air conditioning system and defogger
Rear air conditioning system
■
Adjusting the temperature setting
Press to increase the temperature and to decrease the tem-
perature. ■
Adjusting the fan speed setting
Press to increase the fan speed and to decrease the fan speed.
Press to turn the fan off. ■
Changing the air flow mode
Press .
The air flow mode switches ea ch time the button is pressed.Air outlets and fan speed are automati cally adjusted according to the tem-
perature setting.
The rear air conditioning operation switches are on the second seat armrest.
(  P. 449)

LX570_OM_OM60R07U_(U) 4175-3. Using the air conditio ning system and defogger
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Interior features ■
Using the automatic mode
Press the .
Adjust the temperature setting.
To stop the operation, press the .■
If the system is operated manually in automatic mode
If the fan speed setting or air flow modes are operated, the automatic mode
indicator goes off. However, automati c mode for functions other than that
operated are maintained. ■
Location of air outlets
The air outlets and air volume
changes according to the selected
air flow mode.
■
Adjusting the position of and opening and closing the air outlets
Direct air flow to the left or right,
up or down.
Turn the knob fully to the back of
the vehicle to close the vent.Air conditioning controls
Air outlets 1
2
3
1
2

418 5-3. Using the air conditioning system and defogger
LX570_OM_OM60R07U_(U) NOTICE ■
To prevent battery discharge
Do not leave the air conditioni ng system on longer than necessary when the engine is
not running.

419
LX570_OM_OM60R07U_(U) 5-3. Using the air conditio ning system and defogger
5
Interior features
Heated steering wheel 
/seat heaters/seat
ventilators 
 : If equippedHeated steering wheel and seat heaters heat the side grips of the steering
wheel and seats. Seat ventilators maintain good airflow by blowing air from
the seats. WARNING ●
Care should be taken to prevent injury if anyone in the following categories comes in
contact with the steering wheel and seats when the heater is on:
• Babies, small children, the elderly, the sick and the ph ysically challenged
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (sleeping drugs, cold
remedies, etc.) ●
Observe the following precautions to pr event the minor burns or overheating:
• Do not cover the seat with a blanket or cushion when using the seat heater.
• Do not use seat heater more than necessary.
NOTICE ●
Do not put heavy objects that have an unev en surface on the seat and do not stick
sharp objects (needles, nails, etc.) into the seat. ●
To prevent battery discharge, do not us e the functions when the engine is off.

420 5-3. Using the air conditioning system and defogger
LX570_OM_OM60R07U_(U) 
Automatic operation
Operates automatically according to
the outside and cabin temperature
when “CLIMATE CONCIERGE”
switch is on. (  P. 404) Automatic
operation can be turned off using the
switch. The indicator light comes on when the
heated steering wheel is operating. 
Manual operation
Turns the heated steering wheel on/off The indicator light comes on when the heated steering wheel is operating. ■
The heated steering wheel can be used when
The engine switch is in IGNITION ON mode. ■
Timer function
Automatic operation: Operates for a maximum of 30 minutes.
(Turns off according to outside and cabin temperature.)
Manual operation: Turns off after approximately 30 minutes. ■
If the indicator light flashes
Press the switch to turn the heated steering wheel off and then press the switch again. If
the indicator light still flashes, a malfunction may be occurri ng. Turn the heated steering
wheel off and have the vehicle inspected by your Lexus dealer. ■
Customization
The automatic turning on/off of the heated steering wheel can be customized. (Custom-
izable features  P. 584)Heated steering wheel (if equipped)