2019 LEXUS LX570 engine

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.

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)

422 5-3. Using the air conditioning system and defogger
LX570_OM_OM60R07U_(U) ■
Modes and indicators
The mode can be changed by pressing the switch.
* : When automatic mode is selected, the leve l automatically change s 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 light Level indicator lights
Off Off Off
Automatic* On 3 to 1, or off
Hi Off 3
Mid Off 2
Lo Off 1

423
LX570_OM_OM60R07U_(U) 5-4. Using the interior lights
5
Interior features
Interior lights list
Rear interior lights (  P. 424)
Rear personal lights (  P. 425)
Inside door handle light
Front interior lights (  P. 424)
Front personal lights (  P. 425)
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_OM60R07U_(U) 4255-4. 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.