engine LEXUS LS500H 2020 Owners Manual

3255-3. Using the air conditioning system and defogger
5
Interior features
mode, directing airflow to the front
seats only and to all seats can be
switched via switch operation. When
the mode has been switched manually,
automatic airflow control stops operat-
ing.
Select on the option control
screen (P.322) and switch the air-
flow.
 Indicator illuminated: Airflow to the
front seat only
 Indicator off: Airflow to all the seats.
■Operation of automatic airflow mode
●In order to maintain a comfortable inte-
rior, airflow may be directed to seats
without passengers immediately after the
engine is started and at other times
depending on the outside temperature.
●After the engine is st arted, if passengers
move around inside or enter/exit the vehi-
cle, the system cannot accurately detect
the presence of passengers and auto-
matic airflow control will not operate.
■Operation of manual airflow control
Even if the function is manually switched to
directing airflow to only the front seats,
when a rear seat is occupied, it may auto-
matically direct airflow to all seats.
■To return to automa tic airflow control
1 With the indicator off, turn the engine
switch off.
2 After 60 minutes or more elapse,
change the engine switch to IGNITION
ON mode.
Vehicles with DUAL-ZONE climate
control
To turn on the “DUAL” mode, perform
any of the following procedures:
 Select “DUAL” on the sub function
menu. ( P.320)
 Select “DUAL” on the option con-
trol screen.
 Adjust the passenger’s side tem-
perature setting.
The indicator on the main control screen
comes on when the “DUAL” mode is on.
Vehicles with 4-ZONE climate con-
trol
To turn on the “4-ZONE” mode, per-
form any of the following procedures:
 Select “4-ZONE” on the sub func-
tion menu. ( P.320)
 Select “4-ZONE” on the option
control screen.
 Adjust a passenger seat tempera-
ture setting.
The indicator on the main control screen
comes on when the “4-ZONE” mode is on.
■Location of air outlets
The air outlets and air volume changes
according to the selected air flow
mode.
Adjusting the temperature for
the driver and passenger seats
separately
Air outlet layout and operations

3295-3. Using the air conditioning system and defogger
5
Interior features
than that operated is maintained.
■Using automatic mode
Fan speed is adjusted automatically accord-
ing to the temperature setting and the
ambient conditions.
Therefore, the fan may stop for a while until
warm or cool air is ready to flow immedi-
ately after “Rear AUTO” is selected or
“AUTO” is touched.
Cool air may blow around the upper body
even when the heater is on due to sunlight.
The temperature setting of the rear
seats can be adjusted using the follow-
ing methods:
 When the “4-ZONE” indicator is
off: Adjust the driver’s seat tempera-
ture.
Adjust the temperature setting of each
rear seat using the Center Display or Rear
Multi Operation Panel.
Adjust the temperature setting of
each rear seat using the Center Dis-
play (rear air conditioning control
screen) or Rear Multi Operation
Panel.
The temperature setting of each rear seat
can be changed independently.
■Rear center outlets and rear side
outlets
1
Direct air flow to the left or right, up
or down
2
Turn the knob to open or close the
vent
Adjusting the temperature set-
ting of the rear seats
Air outlet layout and operations
NOTICE
■To prevent battery discharge
Do not leave the air conditioning system
on longer than necessary when the
engine is off.

3305-3. Using the air conditioning system and defogger
*: If equipped
■Center Display
Press the “MENU” button on the
Remote Touch to display the main
menu and move the cursor to to
display the shortcut buttons. Then,
select to display the heated steer-
ing wheel/front seat heater/front seat
ventilator control screen.
To display the rear seat heater/rear seat
ventilator control screen, select . (if
equipped)
Main screen
Using the touchpad of the Remote
Touch, select the button on the screen.
to can be adjusted by perform-
ing the following operations.
Flick operation: Move the pointer to
the desired item and flick the touchpad
up or down.
The item can be adjusted by one level.
Trace operation: After selecting the
desired item, trace the touchpad sur-
face.
The item can be adjusted by the amount
Heated steering wheel*/seat
h
eaters*/seat ventilators*
 Heated steering wheel
Warms up the grip of the steering
wheel
 Front seat heaters/Rear seat
heaters
Warm up the seat upholstery
 Front seat ventilators/Rear seat
ventilators
Maintain good ventilation by pulling
air through the seat upholstery
The Center Display and Rear Multi
Operation Panel/rear control
panel can be used to operate the
heated steering wheel, seat heaters
and seat ventilators.
WARNING
■To prevent minor burn injuries
Care should be taken if anyone in the fol-
lowing categories comes in contact with
the steering wheel or seats when the
heater is on:
●Babies, small children, the elderly, the
sick and the phys ically challenged
●Persons with sensitive skin
●Persons who are fatigued
●Persons who have taken alcohol or
drugs that induce sleep (sleeping
drugs, cold remedies, etc.)
NOTICE
■To prevent damage to the seat heat-
ers and seat ventilators
Do not put heavy objects that have an
uneven surface on the seat and do not
stick sharp objects (n eedles, nails, etc.)
into the seat.
■To prevent battery discharge
Do not use the functions when the
engine is off.
Control screen
AC

3325-3. Using the air conditioning system and defogger
used to operate the rear air conditioning
system if the function is disabled.
( P.327)
Rear air conditioning control screen
Adjust the rear seat heater tem-
perature level
Each time the switch is selected, the tem-
perature level and leve l indicator (orange)
change as follows:
AUTO Hi Mid Lo OFF
Adjust the rear seat ventilator fan
speed level
Each time the switch is selected, the fan
speed level and leve l indicator (blue)
change as follows:
AUTO Hi Mid Lo OFF
Shortcut screen
Adjust the rear seat heater tem-
perature level
Each time the switch is selected, the tem-
perature level and leve l indicator (orange)
change as follows: AUTO
Hi Mid Lo OFF
Adjust the rear seat ventilator fan
speed level
Each time the switch is selected, the fan
speed level and level indicator (blue)
change as follows:
AUTO Hi Mid Lo OFF
■Rear control panel (if equipped)
Increases the rear seat heater tem-
perature level
The seat ventilator can be adjusted in 3 lev-
els. (Low, Mid or Hi)
Enables/Disables the automatic
mode of the rear seat heaters
Decreases the rear seat heater
temperature level
If this switch is select ed when the rear seat
heater temperature level is set to Lo, the
rear seat heater will turn off.
■The heated steering wheel, seat heaters
and seat ventilators can be used when
The engine switch is in IGNITION ON
mode.
■Air conditioning system-linked control
mode
When the seat ventilator fan speed level is
Hi, the seat ventilato r fan speed becomes
higher according to the fan speed of the air
conditioning system.
A
B
A
B
A
B
C

3345-4. Using the interior lights
5-4.Using the interior lights
Rear personal lights ( P.336)
Inside door handle lights
Instrument panel orname nt lights (if equipped)
Front personal lights ( P.336)
Front interi or lights ( P.335)
Clock light
Footwell lights
Engine switch light
Door trim ornament lights
Door courtesy lights
Seat belt buckle lights
Outer foot lights
Rear interior light ( P.335)
Shift lever lights
Interior lights list
Location of the interior lights
A
B
C
D
E
F
G
H
I
J
K
L
M
N

3375-4. Using the interior lights
5
Interior features
■Illuminated entry system
The lights automatically turn on/off accord-
ing to the engine switch mode, the pres-
ence of the electronic key, whether the
doors are locked/unlocked, and whether
the doors are opened/closed.
■To prevent the battery from being dis-
charged
If the interior lights remain on when the
engine switch is turned off, the lights will go
off automatically after 20 minutes.
■When front interior light or front per-
sonal lights do not respond as normal
●When water, dirt, et c., have adhered to
the lens surface
●When operated with a wet hand
●When wearing gloves, etc.
■The interior lights may turn on automati-
cally when
If any of the SRS airbags deploy (inflate) or
in the event of a strong rear impact, the inte-
rior lights will turn on automatically.
The interior lights will turn off automatically
after approximately 20minutes.
The interior lights can be turned off manu-
ally. However, in order to help prevent fur-
ther collisions, it is recommended that they
be left on until safety can be ensured.
(The interior lights may not turn on auto-
matically depending on the force of the
impact and conditions of the collision.)
■Customization
Some functions can be customized.
(  P.470)
NOTICE
■To prevent battery discharge
Do not leave the lights on longer than
necessary when the engine is not run-
ning.
■Removing light lenses
Never remove th e lens for the front inte-
rior light and front personal lights. Other-
wise, the lights will be damaged. If a lens
needs to be removed, contact your Lexus
dealer.

3465-6. Using the other interior features
5-6.Using the other interior features
The USB charging ports are used to
supply 2.1 A of electricity at 5 V to
external devices.
The USB charging ports are for
charging only. They are not designed
for data transfer or other purposes.
Depending on the external device, it
may not charge properly. Refer to the
manual included with the device
before using a USB charging port.
■Using the USB charging ports
Open the auxiliary boxes lid.
Vehicles without power rear seat
Vehicles with power rear seat
■The USB charging ports can be used
when
The engine switch is in ACCESSORY or IGNITION ON mode.
■Situations in whic
h the USB charging
ports may not operate correctly
●If a device which consumes more than 2.1
A at 5 V is connected
●If a device designed to communicate with
a personal computer, such as a USB
memory device, is connected
●If the connected external device is turned
off (depending on device)
●If the temperature inside the vehicle is
high, such as after the vehicle has been
parked in the sun
■About connected external devices
Depending on the connected external
device, charging may occasionally be sus-
pended and then start again. This is not a
malfunction.
Other interior features
USB charging ports
NOTICE
■To prevent damage to the USB
charging ports
●Do not insert foreign objects into the
ports.
●Do not spill water or other liquids into
the ports.
●When the USB charging ports are not
in use, close the lids. If a foreign object
or liquid enters a port may cause a
short circuit.
●Do not apply excessive force to or
impact the USB charging ports.
●Do not disassemble or modify the USB
charging ports.
■To prevent damage to external
devices
●Do not leave external devices in the
vehicle. The temperature inside the
vehicle may become high, resulting in
damage to an external device.
●Do not push down on or apply unnec-
essary force to an external device or
the cable of an external device while it
is connected.

3475-6. Using the other interior features
5
Interior features
Vehicle without power rear seat
Pull the armrest down for use.
Vehicle with power rear seat
Pull the lock release lever and fold the
rear seatback down.
An assist grip installed on the ceiling
can be used to support your body while sitting on the seat.
To use the coat hook, push it on.
NOTICE
■To prevent battery discharge
Do not use the USB charging ports for a
long period of time with the engine
stopped.
Armrest
NOTICE
■To prevent damage to the armrest
Do not place too much strain on the arm-
rest.
Assist grips
WARNING
■Assist grip
Do not use the assist grip when getting in
or out of the vehicle or rising from your
seat.
Doing so could damage the assist grip, or
could cause you to injure yourself by fall-
ing over.
NOTICE
■To prevent damage to the assist grip
Do not hang any heavy object or put a
heavy load on the assist grip.
Coat hooks

3495-6. Using the other interior features
5
Interior features
■The power outlet can be used when
●12 V
The engine switch is in ACCESSORY or
IGNITION ON mode.
●120 VAC
The engine switch is in IGNITION ON
mode.
NOTICE
■To avoid damaging the power outlet
Close the power outlet lid when the
power outlet is not in use.
Foreign objects or liquids that enter the
power outlet may cause a short circuit.
■To prevent the fuse from being blown
●12 V
Do not use an accessory that uses more
than 12 V 10 A.
●120 VAC
Do not use a 120 VAC appliance that
requires more than 100 W. If a 120 VAC
appliance that consumes more than 100
W is used, the protection circuit will cut
the power supply.
■To prevent incorrect operation of the
vehicle
When turning the engine switch off,
make sure to disc onnect accessories
designed for charging , such as portable
chargers, power banks, etc. from the
power outlets.
If such an accessory is left connected, the
following may occur:
●The doors cannot be locked using the
smart access system with push-button
start or wireless remote control.
●The opening screen will be displayed
on the multi-information display.
●The interior lights, instrument panel
lights, etc. will illuminate.
■To prevent the battery from being dis-
charged
Do not use the power outlet longer than
necessary when the engine is not run-
ning.
■Appliances that may not operate
properly (120 VAC)
The following 120 VAC appliances may
not operate properly even if their power
consumption is under 100 W.
●Appliances with high initial peak watt-
age
●Measuring devices that process pre-
cise data
●Other appliances that require an
extremely stable power supply

3505-6. Using the other interior features
1To set the visor in the forward posi-
tion, flip it down.
2
To set the visor in the side position,
flip down, unhook, and swing it to
the side.
3
To use the side extender, place the
visor in the side position, then slide
it backward.
Front
Slide the cover to open.
The vanity light turns on.
Rear
Press the button to open.
The vanity light turns on.
■To prevent battery discharge
If the vanity lights remain on when the
engine switch is turned off, the lights will go
off automatically after 20 minutes.
The rear door/rear quarter sunshades
can be extended and retracted using
the driver’s power window switch and
Rear Multi Operation Panel.
■From driver’s seat
Operate the driver’s power window
switch.
Sun visors
Vanity mirrors
NOTICE
■When not in use
Keep the rear vanity mirror closed.
■To prevent the battery from being dis-
charged
Do not leave the vanity lights on for
extended periods while the engine is
stopped.
Rear door/rear quarter sun-
shades (if equipped)