air conditioning LEXUS LX570 2018 Owner's Manual

LX570_OM_OM60Q78U_(U) 4075-3. Using the air conditio ning 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 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.

408 5-3. Using the air conditioning system and defogger
LX570_OM_OM60Q78U_(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. 501 ■
Customization
Settings (e.g. Exhaust gas sensor sensitivity) can be changed.
(Customizable features: → P. 580)
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.

410
LX570_OM_OM60Q78U_(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. 442)

LX570_OM_OM60Q78U_(U) 4115-3. Using the air conditio ning system and defogger
5
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

412 5-3. Using the air conditioning system and defogger
LX570_OM_OM60Q78U_(U) NOTICE ■
To prevent battery discharge
Do not leave the air conditioni ng system on longer than necessary when the engine is
not running.

414 5-3. Using the air conditioning system and defogger
LX570_OM_OM60Q78U_(U) 
Automatic operation
Operates automatically according to
the outside and cabin temperature
when “CLIMATE CONCIERGE”
switch is on. ( → P. 398) 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. 580)Heated steering wheel (if equipped)

416 5-3. Using the air conditioning system and defogger
LX570_OM_OM60Q78U_(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. 580)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

430
LX570_OM_OM60Q78U_(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.

457
LX570_OM_OM60Q78U_(U) 6Maintenance and care 6-1. Maintenance and care
Cleaning and protecting
the vehicle exterior ................458
Cleaning and protecting
the vehicle interior................... 461
6-2. Maintenance
Maintenance
requirements ............................ 464
General maintenance.............. 466
Emission inspection and
maintenance (I/M)
programs .................................... 469
6-3. Do-it-yourself maintenance
Do-it-yourself service
precautions................................ 470
Hood ............................................... 472
Engine compartment ............... 473
Tires .................................................486
Tire inflation pressure............... 495
Wheels ........................................... 499
Air conditioning filter ................ 501
Electronic key battery ..............503
Checking and replacing
fuses ............................................. 505
Light bulbs.................................... 508

LX570_OM_OM60Q78U_(U) 4716-3. Do-it-yourself maintenance
6
Maintenance and care WARNING
The engine compartment contains many mechan isms and fluids that may move suddenly,
become hot, or become electrically energize d. To avoid death or serious injury, observe
the following precautions: ■
When working on the engine compartment ●
Keep hands, clothing and tools away from the moving fan and engine drive belt.●
Be careful not to touch the engine, radiator, exhaust manifold, etc. right after driving
as they may be hot. Oil and other fluids may also be hot. ●
Do not leave anything that may burn easily, such as paper or rags, in the engine com-
partment. ●
Do not smoke, cause sparks or expose an open flame to fuel or the battery. Fuel and
battery fumes are flammable. ●
Be extremely cautious when working on the battery. It contains poisonous and corro-
sive sulfuric acid. ■
When working near the electric cooling fans or radiator grille
Be sure the engine switch is off. With the engine switch in IGNITION ON mode, the
electric cooling fans may auto matically start to run if the air conditioning is on and/or
the coolant temperature is high. ( → P. 479) ■
When working on or under the vehicle
Do not get under the vehicle with just the jack supporting it.
Always use automotive jack stands or other solid supports. ■
Safety glasses
Wear safety glasses to prevent flying or falling material, flui d spray, etc. from getting in
your eyes.
NOTICE ■
If you remove the air cleaner filter
Driving with the air cleaner f ilter removed may cause excessive engine wear due to dirt
in the air.