engine LEXUS LX570 2021 Owners Manual

LX570_OM_OM60T33U_(U)
4155-3. Using the air conditioning system and defogger
5
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 voice 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 vehicle 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.
■When driving on dusty roads
Close all windows. If dust thrown up by the ve hicle is still drawn into the vehicle after clos-
ing the windows, it is recommended that the air intake mode be set to outside air mode
and the fan speed to any setting except off.
■Outside/recirculated air mode
●Setting to the recirculated air mode temporarily is recommended in preventing dirty air
from entering the vehicle interior and helping to cool the vehicle when the outside air
temperature is high.
●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 .

4165-3. Using the air conditioning system and defogger
LX570_OM_OM60T33U_(U)
■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.
■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 system cannot be turned off.
■Air conditioning filter
P. 505
■Air conditioning system refrigerant
●A label regardin g the refrigerant of the air
conditioning system is attached to the hood at
the location shown in the following illustration.

LX570_OM_OM60T33U_(U)
4175-3. Using the air conditioning system and defogger
5
Interior features
●The meaning of each symbol on the label are as follows:
■Customization
Settings (e.g. Exhaust gas sensor sensitivity) can be changed.
(Customizable features: P. 584)
Caution
Air conditioning system
Air conditioning system lubricant type
Requires registered technician to ser-
vice air conditioning system
Flammable refrigerant
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.
NOTICE
■To prevent battery discharge
Do not leave the air conditioni ng system on longer than necessary when the engine is
not running.
■When repairing/replacing parts of the air conditioning system
Have repair/replacement performed by your Lexus dealer. When a part of the air con-
ditioning system, such as the evaporator, is to be replaced, it must be replaced with a
new one.

4205-3. Using the air conditioning system and defogger
LX570_OM_OM60T33U_(U)
NOTICE
■To prevent battery discharge
Do not leave the air conditioni ng system on longer than necessary when the engine is
not running.

421
LX570_OM_OM60T33U_(U)5-3. Using the air conditio
ning system and defogger
5
Interior features
Heated steering wheel/seat heaters/seat
ventilators

: If equipped
Heated 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 physically 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.

4225-3. Using the air conditioning system and defogger
LX570_OM_OM60T33U_(U)
Automatic operation
Operates automatically according to
the outside and cabin temperature
when “CLIMATE CONCIERGE”
switch is on. ( P. 406) 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)

4245-3. Using the air conditioning system and defogger
LX570_OM_OM60T33U_(U)
■Modes and indicators
The mode can be changed by pressing the switch.
*: When automatic mode is selected, the leve l automatically changes depending on the
air conditioning settings.
■The seat heaters/seat vent ilators can be used when
The engine switch is in IGNITION ON mode.
■Replacing the air filters
Filters are installed in the se at ventilators. For replacement of the filters, contact your
Lexus dealer.
■Customization
The automatic mode settings for the seat heaters and ventilators can be changed.
(Customizable features: P. 584)
Mode“AUTO” indicator lightLevel indicator lights
OffOffOff
Automatic*On3 to 1, or off
HiOff3
MidOff2
LoOff1

425
LX570_OM_OM60T33U_(U)5-4. Using the interior lights
5
Interior features
Interior lights list
Rear interior lights (
P. 426)
Rear personal lights ( P. 427)
Inside door handle light
Front interior lights ( P. 426)
Front personal lights ( P. 427)
Shift lever light (when the engine
switch is in ACCESSORY or IGNI-
TION ON mode) Footwell lights
Scuff lights (if equipped)
Engine switch light
Door courtesy light
Luggage compartment light (if
equipped)
Outer foot lights
Running board lights
Door trim lights1
2
3
4
5
6
7
8
9
10
11
12
13
14

LX570_OM_OM60T33U_(U)
4275-4. Using the interior lights
5
Interior features
■Illuminated entry system
The lights automatically turn on/off according to engine switch mode, the presence of the
electronic key, whether the doors are locked/unlocked, and whether the doors are
open/closed.
■To prevent battery discharge
If the interior lights remain on when the engine switch is turn ed off, the lights will go off
automatically after 20 minutes:
■Customization
Settings (e.g. adjust the time elapsed before th e interior lights automatically turn off) can
be changed. (Customizable features:  P. 584)
Personal lights
Front Rear
Turns the lights on/off (touch the lights) Turns the lights on/off
NOTICE
To prevent battery discharge, do not leave th e lights on longer than necessary when the
engine is not running.

438
LX570_OM_OM60T33U_(U)5-6. Using the other interior features
Other interior features
While the engine is running, the cool box, which is cooled by the air conditioning,
can be used.
Press the button to open the lid.
Turns the cool box on/off
When on, the indicator light comes on.
■While the cool box is on
The front air conditioning sy stem cannot be turned off.
■When the outside temperature is 32 F (0 C) or below
The cool box may not operate.
Cool box (if equipped)
1
2
WARNING
Keep the cool box closed while driving.
Injuries may result in the event of sudden braking, sudden swerving or an accident.
NOTICE
To prevent battery discharge, do not leave the cool box on longer than necessary when
the engine is not running.