LEXUS LS500 2018 Owners Manual

3215-3. Using the air conditio ning system and defogger
LS500_OM_OM50F54U_(U) 5
Interior features To enable/disable S-FLOW mode and
enter manual S-FLOW mode, select the
S-FLOW mode switch. 
Manual S-FLOW mode
When the S-FLOW mode switch is
selected, S-FLOW mode will be manu-
ally enabled/ disabled. The indicator will illuminate on the air con-
ditioning control screen when S-FLOW
mode is enabled. ■
Operation of the air conditioning sys-
tem in S-FLOW mode
If the front passenger’s door or a rear door
is opened then closed, the air conditioning
system determines that a passenger is in the
vehicle. In this case, priority for the airflow
will be changed from th e driver’s seat only
to the front seats only or all seats, respec-
tively.
(Depending on the set temperature or
ambient temperature, priority for the air-
flow may not be given to the driver’s seat
only.)
If a passenger is judged to be in the vehicle,
the system will retain the judgement for a
certain amount of time after the engine
switch is turned off. ■
Operation of automatic S-FLOW mode
When the system is operating in automatic
S-FLOW mode, if a rear door is opened
and then closed, S-FLOW mode will be dis-
abled. To enable S-FL OW mode, select the
S-FLOW mode switch.
■
Changing from manual S-FLOW mode
to automatic S-FLOW mode
1 Select the S-FLOW mode switch to dis-
able S-FLOW mode.
2 Turn the engine switch off.
3 After 60 minutes have elapsed, change
the engine switch to 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.316)
 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.316)
 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

322 5-3. Using the air conditioning system and defogger
LS500_OM_OM50F54U_(U) ■
Adjusting the position of and open-
ing and closing the air outlets 
Front center/front side
1 Direct air flow to the left or right, up
or down
2 Turn the knob to open or close the
vent 
Rear center/rear side
1 Direct air flow to the left or right, up
or down
2 Turn the knob to open or close the
vent WARNING■
To prevent the windshield defogger
from operating improperly
Do not place anything on the instrument
panel which may cover the air outlets.
Otherwise, air flow may be obstructed,
preventing the windshield defoggers
from defogging.

3235-3. Using the air conditio ning system and defogger
LS500_OM_OM50F54U_(U) 5
Interior features *
:If equipped
■
Center Display
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 pad surface. The item can be adjusted by the amount
that you trace.
Trace operation cannot be used while driv-
ing.
Adjust the left side rear seat tem-
perature setting
Select the left side rear seat air flow
mode : Air flows to the upper body
: Air flows to the upper body and feet
: Air flows to the feet
Adjust the rear seats fan speed set-
ting
Select the right side rear seat air
flow mode
Adjust the right side rear seat tem-
perature setting
Function on/off indicators Rear air conditioning sys-
tem *
The air outlets and fan speed are
automatically adjusted according
to the temperature setting.
The rear air conditioning system
can be operated using the Center
Display and Rear Multi Operation
Panel.
 Center Display 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 rear air
conditioning control screen.
 Rear Multi Operation Panel *
Touch “Climate” on the home screen to
display the rear air conditioning control
screen.( →
P.308 )
Touching the shortcut button on the
home screen will al so display operation
buttons for some of the rear air condi-
tioning system functions. *
: The Rear Multi Operation Panel can-
not be used to operate the rear air
conditioning system if the function is
disabled. ( → P.323)
Rear air conditioning control
screen A E
A
B
C
D
E
F

324 5-3. Using the air conditioning system and defogger
LS500_OM_OM50F54U_(U) When the function is on, the indicator illu-
minates on the control screen.
Sub function menu When the sub function button on the
Remote Touch is pressed, the following
functions can be switched on and off.
“Rear off”: Turn the rear seats fan off
“Rear AUTO”: Set the rear seats automatic
mode on/off ( → P.324)
: Disables operation of the rear air
conditioning system using the Rear Multi
Operation Panel ■
Rear Multi Operation Panel *
Various functions can be operated by
touching the displayed buttons on the
Rear Multi Operation Panel. *
: The Rear Multi Operation Panel cannot
be used to operate the rear air condi-
tioning system if the function is disabled.
( → P.323) 
Rear air conditioning control screen
Adjust the left side rear seat tem-
perature setting
Select the left side rear seat air flow
mode : Air flows to the upper body
: Air flows to the upper body and feet
: Air flows to the feet Set the rear seats automatic mode
on/off ( → P.324)
Select the right side rear seat air
flow mode
Turn the rear seats fan off
Adjust the right side rear seat tem-
perature setting
Adjust the rear seats fan speed set-
ting 
Shortcut screen
Adjust the left side rear seat tem-
perature setting
Adjust the right side rear seat tem-
perature setting 
Center Display
1 Select “Rear AUTO” on the sub
function menu. ( → P.323)
2 To stop the operation, select “Rear
off” on the sub function menu.
( → P.323)
If the fan speed setting or air flow
modes are operated, the automatic
mode indicator goes off. However,
automatic mode for functions other
than that operated is maintained.G
A
B Using automatic mode C
D
E
F
G
A
B

3255-3. Using the air conditio ning system and defogger
LS500_OM_OM50F54U_(U) 5
Interior features 
Rear Multi Operation Panel
1 Select “AUTO” on the rear air con-
ditioning control screen. ( → P.324)
2 To stop the operation, select “OFF”
on the rear air co nditioning control
screen. ( → P.323)
If the fan speed setting or air flow
modes are operated , the automatic
mode indicator goes off. However,
automatic mode for functions other
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 driv er’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.

326 5-3. Using the air conditioning system and defogger
LS500_OM_OM50F54U_(U) *
:If equipped
Heated steering wheel *
/seat
heaters *
/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 as follows:  Center Display Press the “MENU” button on the
Remote Touch to display the main menu
and move the cursor to to display
the shortcut button s. Then, select
to display the heated steering
wheel/front seat heater/front seat venti-
lator control screen.
To display the rear seat heater/rear seat
ventilator control sc reen, select . (if
equipped)
 Rear Multi Operation Panel Touch “Climate” on the home screen to
display the air conditioning control
screen.( →
P.308 )
Touching the shortc ut button on the
home screen will di splay operation but-
tons for the rear seat heaters and rear
seat ventilators.
 Rear control panel The rear seat heaters can be operated.
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 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.)

3275-3. Using the air conditio ning system and defogger
LS500_OM_OM50F54U_(U) 5
Interior features ■
Center Display 
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
that you trace.
Trace operation cannot be used while driv-
ing. Adjust the seat ventilator fan speed
level The seat ventilator can be adjusted in 3 lev-
els. (Low, Mid or Hi)
Adjust the seat heater temperature
level The seat heater can be adjusted in 3 levels.
(Low, Mid or Hi)
Adjust the heated steering wheel
temperature level *
The heated steering wheel can be adjusted
in 2 levels. (Low or Hi)
Automatic mode on/off indicators When the automatic mode is on, the indi-
cator illuminates on the screen.
Sub function menu When the sub function button on the
Remote Touch is pressed, the following
functions can be set to automatic mode.
: Left-hand side seat heater/seat
ventilator
: Heated steering wheel *
: Right-hand side seat heater/seat
ventilator *
: Available on the front seat control
screen only 
Side screen
Display the air conditioning control
screen → P.319NOTICE■
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 (needles, nails, etc.)
into the seat. ■
To prevent battery discharge
Do not use the functions when the
engine is off.
Control screen A C A
B
C
D
E
A

328 5-3. Using the air conditioning system and defogger
LS500_OM_OM50F54U_(U) Adjust the front seat heater tem-
perature levelEach time the switch is selected, the tem-
perature level and leve l indicator (orange)
change as follows:
AUTO → Hi → Mid → Lo → OFF
Adjust the front seat ventilator fan
speed levelEach time the switch is selected, the fan
speed level and leve l indicator (blue)
change as follows:
AUTO → Hi → Mid → Lo → OFF
Adjust the heated steering wheel
temperature levelEach time the switch is selected, the tem-
perature level and le vel indicator change
as follows:
AUTO → Hi → Lo → OFF■
Rear Multi Operation Panel (if
equipped) 
Rear air conditioning control screen
Adjust the rear seat heater tem-
perature levelEach 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 levelEach time the switch is selected, the fan speed level and level 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 level 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)B
C
D
A
B A
B
A

3295-3. Using the air conditio ning system and defogger
LS500_OM_OM50F54U_(U) 5
Interior features Enables/Disables the automatic
mode of the rear seat heaters
Decreases the rear seat heater
temperature levelIf 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 wheel can be used
when
The engine switch is in IGNITION ON
mode. ■
Air conditioning system-linked control
mode
When the seat ventilato r fan speed level is
Hi, the seat ventilator fan speed becomes
higher according to the fan speed of the air
conditioning system. ■
Customization
Some functions can be customized.
( → P.468)
WARNING■
To prevent overheating and minor
burn injuries
Observe the following precautions when
using the seat heaters. ●
Do not cover the seat with a blanket or
cushion when using the seat heater.
●
Do not use seat heater more than nec-
essary. B
C

330 5-4. Using the interior lights
LS500_OM_OM50F54U_(U) 5-4.Using the interior lights
Rear personal lights ( → P.332)
Inside door handle lights
Instrument panel orname nt lights (if equipped)
Front personal lights ( → P.332)
Front interi or lights ( → P.331)
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.331)
Shift lever lightsInterior lights list
Location of the interior lights
A
B
C
D
E
F
G
H
I
J
K
L
M
N