air conditioning LEXUS LS500 2021 User Guide

3165-1. Remote Touch/Display
■Menu screen
Press the “MENU” button on the
Remote Touch to display the menu
screen.
This system can also be operated by the
touch screen. For deta ils, refer to “NAVI-
GATION AND MULTIMEDIA SYSTEM
OWNER’S MANUAL”.
The displays shown in the illustrations
are used for example only and may dif-
fer from the actual vehicle.
*1: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S
MANUAL”.
*2: This function is not made available in some models or areas.
■Split-screen display
Different information can be displayed on the left and right sides of the screen. For
example, audio control screen can be displayed and operated while the fuel con-
Center Display
Center Display overview
SwitchFunction
Select to display the
“Destination” screen.
*1,
2
Select to display the
audio control screen.
*1
Select to display the
hands-free control
screen.
*1
Select to display the
“Apps” screen.
*1, 2
/
/
When an Apple Car-
Play/Android Auto con-
nection is established
and this button displays
“Apple Car-
Play”/“Android Auto”,
select to display the
home screen of Apple
CarPlay/Android
Auto.
*1, 2
Select to display the
information screen.
*1
(  P.93)
Select to display the
setup screen.
*1
Select to display the air
conditioning control
screen. ( P.326)
SwitchFunction

3175-1. Remote Touch/Display
5
Interior features
sumption information screen is being displayed. The large screen on the left of the
display is called the main display, and the small screen to the right is called the side
display.
■Main display
For details about the functions and
operation of the main display, refer to
the respective section and “NAVIGA-
TION AND MULTIMEDIA SYSTEM
OWNER’S MANUAL”.
■Side display
The following functions can be dis-
played and operated on the side dis-
play.
Select or to display the desired
screen.
Navigation system
*
Audio*
Vehicle information ( P.95)
Air conditioning system ( P.329)
Show/hide the side display
*
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S
MANUAL”.
■Screen display during low temperatures
When the ambient temperature is
extremely low, screen response may be
delayed even if the Remote Touch is oper-
ated.
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3185-1. Remote Touch/Display
*:If equipped
■Home screenTouch to display the audio control
screen.
Refer to “NAVIGATION AND
MULTIMEDIA SYSTEM
OWNER’S MANUAL”.
Touch to display the rear air condi-
tioning control screen. ( P.333,
337)
Touch to display the rear seat
adjustment screen. ( P.128, 137,
139)
Touch to display the relaxation seat
(if equipped) control screen. (
P.131)
Touch to display the rear sunshade
(if equipped)/rear interior light con-
trol screen. ( P.341, 356)
Touch to display the Rear Multi
Operation Panel settings screen.
( P.318)
Touch to display/hide the shortcut
screen.
Shortcut screen
The following can be adjusted or operated:
• Rear air conditioning system tempera- ture setting ( P.333)
• Rear seat heaters/rear seat ventilators ( P.337)
• Audio system
Refer to “NAVIGATION AND MULTI-
MEDIA SYSTEM OWNER’S MANUAL”.
• Rear door sunshades/rear quarter sun- shades/rear sunshade ( P.357)
button
Press to display the home screen.
When the screen is on, press and
hold to turn the screen off.
■Rear Multi Operation Panel set-
tings screen
Screen operation settings and the
brightness of the screen can be
changed.
Rear Multi Operation Panel*
The Rear Multi Operation Panel
built-into the rear armrest can be
used to operate the rear audio sys-
tem, air conditioning system, seat,
relaxation seat, shades or lights.
Rear Multi Operation Panel
overview
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3215-2. Lexus Climate Concierge
5
Interior features
5-2.Lexus Climate Concierge
Select .
The indicator on the Lexus Climate Con-
cierge control screen illuminates, and the
automatic air conditioning system, seat
heaters and ventilators, and heated steer-
ing wheel operate in automatic mode.
If any of the system is operated manually,
the indicator turns off. However, all other
functions continue to operate in automatic
mode.
■Changing Lexus Climate Con-
cierge control screen between
front/rear (vehicles with 4-ZONE
climate control)
Select “Rear” to display the rear air
conditioning system screen.
Select “Front” to display the front air condi-
tioning system screen.
■When using the Lexus Climate Con-
cierge
Lexus Climate Concierge can be operated
on the sub function menu or option control
screen. ( P.326)
■Automatic air conditioning system
( P.323, 333)
The temperature can be adjusted inde-
pendently for each seat.
■Seat heaters and ventilators (if
equipped) ( P.336)
Heating or ventilation is automatically
selected according to the set tempera-
ture of the air conditioning system, the
outside temperature, etc.
■Heated steering wheel (if
equipped) ( P.336)
Heated steering wheel operates auto-
matically according to the set tempera-
Lexus Climate Concierge
The seat heaters (if equipped), seat
ventilators (if equipped) and heated
steering wheel (if equipped) are
each automatically controlled
according to the set temperature of
the air conditioning system, the out-
side and cabin temperature, etc.
Lexus Climate Concierge allows a
comfortable condition to be main-
tained without adjusting each sys-
tem.
Press the “MENU” button on the
Remote Touch to display the main
menu and move the cursor to
to display the climate control short-
cut buttons. Then, select to dis-
play the Lexus Climate Concierge
control screen.
Turning on Lexus Climate Con-
ciergeOperation of each system

3225-2. Lexus Climate Concierge
ture of the air conditioning system, the
outside temperature, etc.
■Passenger detection functions
●When a passenger is detected in the
front passenger seat, the seat heater and
ventilator will operate automatically.
●When a passenger is detected in a rear
seat, the seat heater and ventilator will
operate automatically. (vehicles with
power rear seat)
■Seat heater/ventilator operation
When automatic mode is selected using the
seat heater/ventilator switch, passenger
detection is not performed.
■Rear seat heater operation (vehicles
with DUAL-ZONE climate control)
The rear seat heaters are not controlled by
the Lexus Climate Concierge.

3235-3. Using the air conditioning system and defogger
5
Interior features
5-3.Using the air conditioning system and defogger
Left-hand side temperature control switch
Automatic mode switch
Off switch
Fan speed decreases switch
Fan speed increases switch
Windshield defogger switch
Rear window defogger and outside rear view mirror defoggers switch
Outside/recirculated air mode switch
Right-hand side temp erature control switch
■Adjusting the temperature
Operate the temperature control
switch upwards to increase the tem-
perature and downwards to decrease
the temperature.■Setting the fan speed
Operate the switch to increase the
fan speed and the switch to
decrease the fan speed.
Press the off switch to turn the fan off.
Front automatic air conditioning system
Air outlets and fan speed are automati cally adjusted according to the tem-
perature setting.
Press the “MENU” button on the Remote Touch to display the main menu and
move the cursor to to display the climate control shortcut buttons. Then,
select to display the air conditioning control screen.
The air conditioning system can be displa yed and operated on the side display.
Air conditioning controls
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3245-3. Using the air conditioning system and defogger
■Changing the air flow mode
 P.326
■Switching between outside air and
recirculated air modes
Press the outside/recirculated air
mode switch.
The mode changes as follows each time
the switch is pressed.
automatic mode  (outside air
mode)  (recirculated air mode)
 automatic mode
When the system is switched to automatic
mode, the air conditioning system operates
automatically.
■Defogging the windshield
Defoggers are used to defog the wind-
shield and front side windows.
Press the windshield defogger switch.
Set the outside/reci rculated air mode
switch to outside air mode if the recircu-
lated air mode is used. (It may switch auto-
matically.)
To defog the windshield and the side win-
dows quickly, turn the air flow and tem-
perature up.
To return to the previous mode, press the
windshield defogger switch 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 the rear window and outside rear
view mirror defoggers switch.
The defoggers will automatically turn off after a while. The operation time changes
according to the ambient temperature and
vehicle speed.
■Windshield wiper de-icer (if
equipped)
 P.329
■When the outside temperature exceeds
75°F (24°C) and the air conditioning
system is on
●In order to reduce the air conditioning
power consumption, the air conditioning
system may switch to recirculated air
mode automatically. This may also
reduce fuel consumption.
●It is possible to switch to outside air mode
at any time by pressing the outside/recir-
culated air mode switch.
■Fogging up of the windows
The windows will easily fog up when the
humidity in the vehicle is high. Turning “A/C”
on 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.
■When driving on dusty roads
Close all windows. If dust thrown up by the
vehicle is still drawn into the vehicle after
closing 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 tem-
porarily 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 auto-
matically switch depending on the tem-
perature setting or the inside
temperature.

3255-3. Using the air conditioning system and defogger
5
Interior features
■Registering air conditioning settings to
electronic keys
●Unlocking the vehicle using an electronic
key and turning the engine switch to
IGNITION ON mode will recall that
key’s registered air conditioning settings.
●When the engine switch is turned off, the
current air conditioning settings will auto-
matically be registered to the electronic
key that was used to unlock the vehicle.
●The system may not operate correctly if
more than one electr onic key is in the
vicinity or if the smart access system with
push-button start is used to unlock a pas-
senger door.
●The doors that can recall the air condi-
tioning setting* when unlocked using the
smart access system with push-button
start can be changed. For details, contact
your Lexus dealer.
*: The doors that can recall the driving
position memory are changed at the
same time.
■Operation of the air conditioning sys-
tem in Eco drive mode
In Eco drive mode, the air conditioning sys-
tem is controlled as follows to prioritize fuel
efficiency:
●Engine speed and compressor operation
controlled to restri ct heating/cooling
capacity
●Fan speed restricted when automatic
mode is selected
To improve air condit ioning performance,
perform the following operations:
●Turn off eco air conditioning mode
(  P.326)
●Adjust the fan speed
●Turn off Eco drive mode ( P.299)
■When the outside temperature falls to
nearly 32°F (0°C)
The dehumidification function may not
operate even when “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 pe riod of time imme-
diately after the air conditioning system is
started in automatic mode or with the
micro dust and pollen filter on.
●When parking, the system automatically
switches to outside air mode to encour-
age better air circulation throughout the
vehicle, helping to reduce odors that
occur when starting the vehicle.
■Using the voice command system
Air conditioning system can be operated
using voice commands. For details, refer to
the “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”.
■Air conditioning filter
 P.409
■Air conditioning system refrigerant
●A label regarding the refrigerant of the
air conditioning system is attached to the
hood at the location shown in the follow-
ing illustration.
●The meaning of each symbol on the label
are as follows:
Caution
Air conditioning system

3265-3. Using the air conditioning system and defogger
■Customization
Some functions can be customized.
(  P.476)
■Main control screen
Using the touchpad of the Remote
Touch, select the button on the screen.
This system can also be operated by the
touch screen.
Vehicles with DUAL-ZONE climate
control
Sub menu
Selecting the sub menu item to switch the
main screen. : Display the air co nditioning control
screen
: Display the heated steering
wheel/front seat heater /front seat ventila-
tor control screen (if equipped)
: Display the rear seat heater/rear seat
ventilator control screen (if equipped)
: Display the Lexus Climate Con-
cierge control screen
: Display the option control screen
Adjust the left side seat tempera-
ture setting
Adjust the fan speed setting
Select the air flow mode
Air conditioning system
lubricant type
Requires registered tech-
nician to service air condi-
tioning system
Flammable refrigerant
WARNING
■To prevent the windshield from fog-
ging up
Do not use the 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.
■When the outside rear view mirror
defoggers are operating
Do not touch the outside rear view mir-
ror surfaces, as they can become very
hot and burn you.
NOTICE
■To prevent battery discharge
Do not leave the air conditioning system
on longer than necessary when the
engine is off.
■When repairing/replacing parts of
the air conditioning system
Have repair/replace ment performed by
your Lexus dealer.
When a part of the air conditioning sys-
tem, such as the evaporator, is to be
replaced, it must be replaced with a new
one.
Air conditioning control screen
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3275-3. Using the air conditioning system and defogger
5
Interior features
: 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 side seat tempera-
ture setting
Switch the following functions on
and off
“A/C”: Set cooling and dehumidification
function
If the indicator is turned off, the system will
blow ambient temperature airor heated air.
: Select front seat concentrated
airflow mode (S-FLOW) (P.330)
: Set eco air conditioning mode
: Set Lexus Climate Concierge
(  P.321)
“DUAL”: Adjust the temperature for driver
and passenger seats separately (“DUAL”
mode) ( P.331)
Vehicles with 4-ZONE climate con-
trol
Sub menu
Selecting the sub menu item to switch the main screen.
: Display the front air conditioning
control screen
: Display the heated steering
wheel/front seat heater /front seat ventila-
tor control screen
: Display the rear air conditioning con-
trol screen
: Display the rear seat heater/rear seat
ventilator control screen
: Display the Lexus Climate Con-
cierge control screen
: Display the option control screen
Adjust the left side seat tempera-
ture setting
Select the right side seat 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
Select the left side seat air flow
mode
Adjust the fan speed setting
Switch the following functions on
and off
“A/C”: Set cooling and dehumidification
function
If the indicator is turned off, the system will
blow ambient temperature airor heated air.
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