2018 LEXUS LS500 seats

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

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.)

3656-1. Maintenance and care
LS500_OM_OM50F54U_(U) 6
Maintenance and care  Remove dirt and dust using a vac-
uum cleaner. Wipe dirty surfaces
with a cloth dampened with luke-
warm water.
 If dirt cannot be removed, wipe it off
with a soft cloth dampened with
neutral detergent diluted to approx-
imately 1%.
Wring out any excess water from
the cloth and thoroughly wipe off
remaining traces of detergent and
water. ■
Shampooing the carpets
There are several commercial foaming-type
cleaners available. Use a sponge or brush
to apply the foam. Rub in overlapping cir-
cles. Do not use water. Wipe dirty surfaces
and let them dry. Excellent results are
obtained by keeping the carpet as dry as
possible.
■
Handling the seat belts
Clean with mild soap and lukewarm water
using a cloth or spon ge. Also check the
belts periodically for excessive wear, fraying
or cuts.
■
When cleaning the carpeted portions of
the glove box, console box, etc.
If a strong adhesive tape is used, there is a
possibility that the surface of the carpet
could be damaged.Cleaning and protecting the
vehicle interior Perform cleaning in a manner
appropriate to each component
and its material.
Protecting the vehicle interior WARNING■
Water in the vehicle ●
Do not splash or spill liquid in the vehi-
cle.
Doing so may cause electrical compo-
nents, etc. to malfunction or catch fire. ●
Do not get any of the SRS components
or wiring in the vehicle interior wet.
( → P.29)
An electrical malfunction may cause
the airbags to deploy or not function
properly, resulting in death or serious
injury. ■
Cleaning the interior (especially
instrument panel)
Do not use polish wax or polish cleaner.
The instrument panel may reflect off the
windshield, obstructin g the driver’s view
and leading to an accident, resulting in
death or serious injury.
NOTICE■
Cleaning detergents ●
Do not use the following types of
detergent, as they may discolor the
vehicle interior or cause streaks or
damage to painted surfaces:
• Areas other than the seats and steer-
ing wheel: Organic substances such as
benzene or gasoline, alkaline or acidic
solutions, dye, and bleach
• Seats: Alkaline or acidic solutions,
such as thinner, benzene, and alcohol
• Steering wheel: Organic substances,
such as thinner, and cleaner that con-
tains alcohol
●
Do not use polish wax or polish
cleaner. The instrument panel’s or
other interior part’s painted surface
may be damaged.

3716-2. Maintenance
LS500_OM_OM50F54U_(U) 6
Maintenance and care Parking brake • Does the parking
brake operate nor-
mally?
•When parked on a
slope and the park-
ing brake is on, is the
vehicle securely
stopped?
Seat belts • Do the seat belts
operate smoothly?
• The seat belts should
not be damaged.
Seats • Do the seat controls
operate properly?
Steering wheel • Does the steering
wheel rotate
smoothly?
• Does the steering
wheel have the cor-
rect amount of free
play?
•There should not be
any strange sounds
coming from the
steering wheel.
Vehicle exterior Items Check points
Doors/trunk • Do the doors/trunk
operate smoothly?
Engine hood •Does the engine
hood lock system
work properly?
Fluid leaks •There should not be
any signs of fluid
leakage after the
vehicle has been
parked.Items Check points
Tires • Is the tire inflation
pressure correct?
• The tires should not
be damaged or
excessively worn.
• Have the tires been
rotated according to
the maintenance
schedule?
•The wheel nuts
should not be loose.
Windshield wip-
ers • The wiper blades
should not show any
signs of cracking,
splitting, wear, con-
tamination or defor-
mation.
• The wiper blades
should clear the
windshield without
streaking or skip-
ping.Items Check points

462 8-1. Specifications
LS500_OM_OM50F54U_(U) ■
Traction AA, A, B, C
The traction grades, from highest to
lowest, are AA, A, B and C, and they
represent the tire’s ability to stop on
wet pavement as measured under con-
trolled conditions on specified govern-
ment test surfaces of asphalt and
concrete. A tire marked C may have poor traction
performance.
Warning: The traction grade assigned to
this tire is based on braking (straight
ahead) traction tests and does not include
cornering (turning) traction. ■
Temperature A, B, C
The temperature grades are A (the
highest), B, and C, representing the
tire’s resistance to the generation of
heat and its ability to dissipate heat when tested under controlled condi-
tions on a specified indoor laboratory
test wheel. Sustained high temperature can cause the
material of the tire to degenerate and
reduce tire life, and excessive temperature
can lead to sudd en tire failure.
Grade C corresponds to a level of perfor-
mance which all passenger car tires must
meet under the Fede ral Motor Vehicle
Safety Standard No. 109.
Grades B and A represent higher levels of
performance on the laboratory test wheel
than the minimum required by law.
Warning: The temperature grades of a tire
assume that it is prop erly inflated and not
overloaded.
Excessive speed, unde rinflation, or exces-
sive loading, either separately or in combi-
nation, can cause heat buildup and
possible tire failure.
Glossary of tire terminology Tire related term Meaning
Cold tire inflation pressure Tire pressure when the vehicle has been parked for
three hours or more, or has not been driven more
than 1 mile or 1.5 km under that condition
Maximum inflation pressure The maximum cold inflated pressure to which a tire
may be inflated, shown on the sidewall of the tire
Recommended inflation pressure Cold tire inflation pressure recommended by a
manufacturer
Accessory weight The combined weight (in excess of those standard
items which may be replaced) of automatic trans-
mission, power steering, power brakes, power win-
dows, power seats, radio and heater, to the extent
that these items are available as factory-installed
equipment (whether installed or not)