2021 LEXUS LS500 engine

1223-3. Adjusting the seats
ment
Vertical height adjustment
Lumbar support adjustment
Seat cushion length adjustment (if
equipped)
■Center Display
1 Press the seat switch.
2 Using the Remote Touch pad,
select “Driver Seat Adjustment” or
“Passenger Seat Adjustment”.
3 Select the button for the desired
adjustment.
Head restraint adjustment (if
equipped) ( P.138)
Shoulder bolster adjustment (if
equipped)
Lumbar support adjustment
Pelvic support adjustment
Seatback side bolster adjustment (if equipped)
Seat cushion side bolster adjust-
ment (if equipped)
Hip support adjustment (if
equipped)
4 Perform adjustment using the dis-
played buttons.
The seat will move while a button is
selected.
■When adjusting the front seats
While adjusting a front seat, to avoid con-
tact with the ceiling, instrument panel or
rear seats, the operation of the seat may be
restricted or parts of th e seat other than that
being adjusted may move.
■Operation after the engine switch is
turned off
After a certain time elapses after the engine
switch is turned off, the following parts of
the front seats will move to their neutral
positions.
●Shoulder bolster (if equipped)
●Lumbar support
●Pelvic support
●Seatback side bolster (if equipped)
●Seat cushion side bolster (if equipped)
●Hip support (if equipped)
■Automatic angle adjustment of the rear
displays (if equipped)
When a seat is adjusted, the angle of the
rear display will be adjusted automatically
to maintain an optimal viewing angle for the
rear display from the rear seat.
■Pre-collision seatback s for the passen-
ger seats
 P.216, 228
■Customization
Some functions can be customized.
(  P.476)
E
F
G
A
B
C
D
E
F
G

1243-3. Adjusting the seats
mode, the front passenger’s head
restraint will operate automatically as fol-
lows:
• When the front passenger’s seatback is moved forward to the upright position,
the head restraint will lower and fold for-
ward when the seatback angle adjust-
ment switch is released.
• When the front passenger’s seatback is
moved backward to the upright position,
the head restraint will move to the upright
position when the se atback angle adjust-
ment switch is released.
●If any of the following conditions are met,
the front passenger’s head restraint will
not fold forward even though the front
passenger’s seatback angle is being
adjusted using the driver’s seat adjust-
ment switches in front passenger mode:
• The engine switch is in ACCESSORY
mode or off.
• The weight of an occupant or heavy object, etc. is detected on the front pas-
senger’s seat.
Once weight is detect ed on the seat, the
seat will be judged as occupied until the
front passenger’s door is opened then
closed or the engine switch is turned off.
• Vehicles without a rear seat entertain- ment system:The front passenger’s seat is
in the rear most position.
• The front passenger’s seat belt is fas-
tened.
• The front passenger’s door is open. (The
front seat will not move forward.)
• The front passenger’s seat is not in the lowest position.
• The front passenger’s seat seat cushion
(front) is not in the lowest position.
• The front passenger’s seat seat cushion is extended (if equipped).
●If either of the following conditions is met,
the front passenger’s head restraint will
not return to the upright position even
though the front passenger’s seatback
angle is being adjusted using the driver’s
seat adjustment switch es in front passen-
ger mode:
• The engine switch is in ACCESSORY mode or off.
• The front passenger’s seat position is
moved to a position forward of the neu- tral position.
■Operating the foldable head restraint
using the front passenger’s seat adjust-
ment switches (if equipped)
When the front passenger’s head restraint is
folded forward and the front passenger’s
door is open, if the front passenger’s seat
adjustment switches are used to move the
seat backward or recline the seatback, the
head restraint will move to the upright posi-
tion automatically when the switch is
released.
To stop the operation of the front passen-
ger’s head restraint part-way, perform any
of the following operations:
●Operate any front passenger’s seat
adjustment switch.
The head restraint will stop when the seat
position adjustment switch or seatback
angle adjustment switch is operated to
move the seat backward or recline the
seatback, and will resume operating when
the switch is released.
●Press the “SET” button.
●Press the “1”, “2” or “3” button.
●Press the seat switch.
■Operation of the front passenger’s seat
using the Center Display will be can-
celed when (vehicles with a foldable
head restraint)
In the following situations, the front passen-
ger’s seat cannot be operated using the
Center Display:
●The engine switch is in ACCESSORY
mode or off.
●The weight of an occupant or heavy
object, etc. is detected on the front pas-
senger’s seat.
Once weight is detected on the seat, the
seat will be judged as occupied until the
front passenger’s door is opened then
closed or the engine switch is turned off.
●The front passenger’s seat belt is fas-
tened.
●The front passenger’s door is open. (The
front seat will not move forward.)

1263-3. Adjusting the seats
senger’s seat seatback*
The seatback will move while a button is
touched and held.
*: Vehicles with a foldable head restraint
■Operating the front passenger’s seat
from the rear seat
●In the following situations, the front pas-
senger’s seat cannot be operated using
the Rear Multi Operation Panel:
• The engine switch is in ACCESSORY
mode or off.
*
• The rear seat belt is not fastened and weight is not detected on the rear seat.
Once weight is detect ed on the seat, the
seat will be judged as occupied until a rear
door is opened then closed or the engine
switch is turned off and the doors are
locked.
• The weight of an occupant or heavy object, etc. is detected on the front pas-
senger’s seat.
Once weight is detect ed on the seat, the
seat will be judged as occupied until the
front passenger’s door is opened then
closed or the engine switch is turned off.
• The front passenger’s seat belt is fas-
tened.
• The front passenger’s door is open. (The
front seat will not move forward.)
*: Vehicles with foldab le head restraint:
Even when the engine switch is in
ACCESSORY mode or off, the front
passenger seat position and seatback
angle can be adjusted.
●If the rear armrest is stowed while the
seat position is being adjusted, the opera-
tion will stop.
■Canceling an operation
To cancel an operation, press and hold the
button of the Rear Multi Opera-
tion Panel or press it 3 times in quick suc-
cession.
■When the front passenger’s seat is
folded forward
 P.125
Pneumatic chambers built into the
front seat apply pressure to the occu-
pant’s body at different modes and
intensities.
1 Press the seat switch.
2 Using the Remote Touch pad,
select “Driver Se at Refresh” or
“Passenger Seat Refresh”.
3 Select the desired mode.
 “Centripetal”
Applies pressure sequentially from the
front of the seat cushion to top of the seat-
back
“Centrifugal”
Applies pressure sequentially from the top
of the seatback to the front of the seat
cushion
“Upper Body”
Applies pressure sequentially from the bot-
tom to the top of the seatback
“Lower Body”
Applies pressure sequentially from the
front to the back of the seat cushion
Front seat refresh system (if
equipped)

1273-3. Adjusting the seats
3
Before driving
“Lumbar”
Applies pressure sequentially from the bot-
tom to the top of the lumbar area of the
seatback
4 Select the desired intensity and
then confirm the setting.
The intensity can be adjusted in 5 steps.
To stop the operation select “Stop”.
If a seat is not occupi ed, do not operate the
front seat refresh system for that seat.
■Refresh system
●Operating conditions
• The engine switch is in IGNITION ON mode.
• The temperature in the cabin is not
extremely high.
• For the front passenger’s seat: The weight of an occupant is detected on the front
passenger’s seat or the front passenger’s
seat belt is fastened.
Once weight is detect ed on the seat, the
seat will be judged as occupied until the
front passenger’s door is opened then
closed or the engine switch is turned off.
●Automatic stop function
• The operation will be canceled automati-
cally after approximately 15 minutes.
•If the power easy ac cess system begins
operating, the front seat refresh system
will stop.
WARNING
■Important points while driving
Do not adjust the driver’s seat refresh
system while driving.
Using it may affect your ability to control
the vehicle, possibly leading to an acci-
dent resulting in death or serious injury.
■Using the refresh system
●Those who are pregnant, have recently
given birth, or suffer from ailments
requiring rest (heart disease etc.)
should consult a doctor before use.
●Do not allow children to use the
refresh function.
●Do not use immediately after consum-
ing a meal or alcohol, or for an
extended period of time.
●If you feel sick while using the refresh
function, immediately discontinue use.

1293-3. Adjusting the seats
3
Before driving
met, the preset buttons will be grayed out.
/ : Moves the rear seat
to the upright position (Business
Mode)
/ : Moves the rear seat
with an ottoman to a slightly reclined
position (Entertainment Mode) (if
equipped)
Vehicles without a rear seat entertainment
system: Moves the front passenger’s seat
forward.
Vehicles with a rear seat entertainment
system: Moves the front passenger’s seat
and rear display to allow the rear display to
be comfortably viewed.
: Moves the rear seat with an
ottoman to a deeply reclined position
(Relaxation Mode) (if equipped)
Moves the front passen ger’s seat forward
and folds the seatback and head restraint
forward.
To stop the front passenger seat while it is
moving, touch “STOP”.
■Manual operation
1 Display the home screen on the
Rear Multi Operation Panel
(P.318) and then touch “Seat”.
2 Touch “Left” or “Right”. 3
Touch the button for the desired
adjustment.
Select the part you wish to adjust.
Adjust the position of the selected
part.
The part will move while a button is
touched.
■Adjustment of the rear seat
●When a rear seat is close to a front seat,
the operation of the rear seat may be
restricted.
●If the rear armrest is stowed while the
seat position is bein g adjusted, the opera-
tion will stop.
■Operating conditions of Business Mode
When the rear seat belt is not fastened and
weight is not detected on the rear seat,
Business Mode cannot be selected.
Once weight is detected on the seat, the
seat will be judged as occupied until a rear
door is opened then closed or the engine
switch is turned off and the doors are
locked.
■The rear seat with an ottoman cannot be
moved to Entertainment Mode/Relax-
ation Mode when (if equipped)
In the following situations, Entertainment
Mode or Relaxation Mode cannot be
selected:
●The engine switch is in ACCESSORY
mode or off.
●The rear seat belt is not fastened and
weight is not detected on the rear seat.
A
B

1303-3. Adjusting the seats
Once weight is detected on the seat, the
seat will be judged as occupied until a rear
door is opened then closed or the engine
switch is turned off and the doors are
locked.
●The weight of an occupant or heavy
object, etc. is detected on the front pas-
senger’s seat.
Once weight is detect ed on the seat, the
seat will be judged as occupied until the
front passenger’s door is opened then
closed or the engine switch is turned off.
●The front passenger’s seat belt is fas-
tened.
●The front passenger’s door is open.
■When the front passenger’s seat is
folded forward
 P.125
■Automatic angle adjustment of the rear
displays (if equipped)
When a seat is adjusted, the angle of the
rear display will be adjusted automatically
to maintain an optima l viewing angle for the
rear display from the rear seat.
■Operation after the engine switch is
turned off
After a certain time el apses after the engine
switch is turned off, the following parts of
the rear seats will move to their neutral
positions.
●Shoulder bolster
●Lumbar/pelvic support
■Canceling an operation
To cancel an operation, press and hold the
button of the Rear Multi Opera-
tion Panel or press it 3 times in quick suc-
cession.
■Pre-collision seatbacks for the passen-
ger seats
 P.216, 228
■Customization
Some functions can be customized.
(  P.476)
1 Press the seat switch.
2 Select “Return” of “Rear”.
The rear seat will move to the upright posi-
tion.
■Operation of the rear seats from the
front seats
In the following situations, the rear seats
cannot be operated from the front seats.
●When the armrest is stowed and weight
of an occupant, heavy object, etc. is
detected on a rear seat
Once weight is detected on the seat, the
seat will be judged as occupied until a rear
door is opened then closed or the engine
switch is turned off and the doors are
locked.
●When the armrest is stowed and a rear
seat belt is fastened.
Returning the rear seat from the
front seats
WARNING
■When returning the rear seats to the
neutral position
To avoid injuring th e rear passengers,
wait until they have gotten out of the
vehicle before operating the switch.

1313-3. Adjusting the seats
3
Before driving
The rear seat relaxation system utilizes
pneumatic chambers and dedicated
heaters, and applies pressure to the
occupant’s body at different modes
and intensities.
To display the rear seat relaxation sys-
tem screen, display the home screen
on the Rear Multi Operation Panel
(  P.318) and then touch “Relaxation”.
Touch to select the desired rear
seat.
Touch to select the desired mode.
When a button is touched, operation will
begin.
Touch to adjust the intensity.
The intensity can be adjusted in 5 steps.
Touch to turn the spot heaters
on/off.
Touch to stop the operation.
If a seat is not occupi ed, do not operate the
rear seat relaxation system for that seat.
■Relaxation system
●Operating conditions
• The engine switch is in IGNITION ON mode.
• The temperature in the cabin is not extremely high. • The weight of an occupant is detected on
the rear seat or the rear seat belt is fas-
tened.
Once weight is detected on the seat, the
seat will be judged as occupied until a rear
door is opened then closed or the engine
switch is turned off and the doors are
locked.
●Automatic stop function
• The operation will be canceled automati-
cally after approximately 15 minutes.
• If the door for a seat that the relaxation
system is currently be ing used is opened,
the relaxation system will stop operating.
The following functions will cause the
rear seats to move automatically.
■Seat return function linked to the
door opening operation
The rear seat will return to the upright
position automatically when the rear
door is opened for ea sier entry and exit
of the vehicle.
For the rear seat with an ottoman (if
equipped): When the rear door on the
Rear seat relaxation system (if
equipped)
A
B
C
D
E
WARNING
■Using the relaxation system
●Those who are pregnant, have recently
given birth, or suffer from ailments
requiring rest (heart disease etc.)
should consult a doctor before use.
●Do not allow children to use the relax-
ation function.
●Do not use immediately after consum-
ing a meal or alcohol, or for an
extended period of time.
●If you feel sick while using the relax-
ation function, immediately discon-
tinue use.
Automatic Seat Operation

1323-3. Adjusting the seats
side with the rear seat with an ottoman
is opened, the seatback of the rear seat
with an ottoman will move to a more
upright position. The seatback will
move to the upright position after the
door is closed and the system deter-
mines that the rear passenger has
exited.
However, if the armrest is stowed, the
rear seat will not move.
■Shift-linked rear seat reclining
function
When the shift position is shifted from
P, to enhance rear visibility for the
driver, the rear seats will recline slightly.
However, the shift-linked rear seat
reclining function will not operate in
the following situations:
 The weight of an occupant or heavy
object, etc. is detected on a rear
seat.
Once weight is detect ed on the seat, the
seat will be judged as occupied until a rear
door is opened then closed or the engine
switch is turned off and the doors are
locked.
 A rear seat belt is fastened.
 A rear door is open.
 The armrest is stowed.
When a front seat is close to a rear
seat, the rear seats may not operate or
the range of movement may be
restricted.
■Changing automatic seat opera-
tion settings
The settings can be changed on the
Rear Multi Operation Panel. ( P.318) 1
Display the home screen on the
Rear Multi Operation Panel
(P.318) and then touch “Seat”.
2 Touch “Left” or “Right”.
3 Touch .
4 Touch a button to change the set-
ting.
Rear right seat automatic operation
Rear right seatback movement
amount when door-linked rear seat
return function operates
*
Rear left seat automatic operation
*: Vehicles with a rear seat with an ottoman
A
B
C