engine LEXUS LS500 2020 Workshop Manual

1233-3. Adjusting the seats
3
Before driving
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.)
■When the front passenger’s seat is
folded forward
By reclining the front passenger’s seat seat-
back, the forward view of the rear passen-
ger can be improved.
1 Press and hold to move the front
passenger’s seat forward and fold
the seatback forward.
2 Press and hold to move the front
passenger’s seat backward and
move the seatback to the upright
position.
1 Display the home screen on the
Rear Multi Operation Panel
(P.312) and then touch “Seat”. 2
Touch “Passenger”.
3 Touch the button for the desired
operation.
When the operating conditions are not
met, the buttons will be grayed out.
Move the front passenger’s seat
forward and fold the seatback for-
ward.
On vehicles with a foldable head restraint,
the head restraint will also fold forward.
To stop the front passen ger seat while it is
moving, touch “STOP”.
Move the front passenger’s seat
backward and the seatback to the
upright position.
If the rear seat behind the front passenger’s
seat is not in the up right position, it will
move to the upright position before the
front passenger’s seat moves to its previous
position.
On vehicles with a foldable head restraint,
the head restraint will also move to the
upright position.
To stop the front passen ger seat while it is
moving, touch “STOP”.
Move the front passenger’s seat
and the seatback.
The seat and seatback will move while a
button is touched and held.
On vehicles with a foldable head restraint,
Operating the front passenger’s
seat from the rear seat (vehicles
without power rear seat)
Operating the front passenger’s
seat from the rear seat (vehicles
with power rear seat)
A
B
C

1243-3. Adjusting the seats
the head restraint will also move.
■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.)
●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.123
Pneumatic chambers built into the
front seat apply pre ssure 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
“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 occupied, do not operate the
Front seat refresh system (if
equipped)

1253-3. Adjusting the seats
3
Before driving
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.
*: If equipped
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.
Power rear seat*
WARNING
■When adjusting the seat position
●Take care when adjusting the seat
position to ensure that other passen-
gers are not injured by the moving
seat.
●When adjusting the rear seat with an
ottoman, make sure there is sufficient
space so that a foot does not get
caught between the ottoman and front
passenger seat. (If equipped)
●Vehicles with a rear seat entertainment
system: When the rear seat is moving
to the Entertainment Mode position,
do not allow hands near the rear dis-
play. Otherwise, a hand or finger may
be caught, possibly causing injury.
■Seat adjustment
To reduce the risk of sliding under the lap
belt during a collision, do not recline the
seat more than necessary.
If the seat is too rec lined, the lap belt may
slide past the hips and apply restraint
forces directly to the abdomen, or your
neck may contact the shoulder belt,
increasing the risk of death or serious
injury in the event of an accident.
Adjustments should not be made while
driving as the seat may unexpectedly
move and cause the driver to lose control
of the vehicle.
■Using the ottoman (if equipped)
●Do not sit on the ottoman.
If someone sits on the ottoman, the seat
belt cannot be fitted properly, and they
may be thrown from th e seat, resulting in
death or serious injury in the event of an
accident or sudden braking.

1273-3. Adjusting the seats
3
Before driving
2Touch “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 being 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 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 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.
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 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.
■When the front passenger’s seat is
folded forward
 P.123
■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.
■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 rear seats will move to their neutral
positions.
●Shoulder bolster
●Lumbar/pelvic support
■Canceling an operation
To cancel an operatio n, press and hold the
button of the Rear Multi Opera-
tion Panel or press it 3 times in quick suc-
cession.
■Pre-collision seatback s for the passen-
ger seats
 P.206, 216
A
B

1283-3. Adjusting the seats
■Customization
Some functions can be customized.
(  P.470)
1Press the seat switch.
2
Press the sub function button of the
Remote Touch. ( P.308)
3
Select .
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 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.
●When the armrest is stowed and a rear
seat belt is fastened.
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.312) 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.
Returning the rear seat from the
front seats
A
WARNING
■When returning the rear seats to the
neutral position
To avoid injuring the rear passengers,
wait until they have gotten out of the
vehicle before operating the switch.
Rear seat relaxation system (if
equipped)
A
B
C

1293-3. Adjusting the seats
3
Before driving
Touch to turn the spot heaters
on/off.
Touch to stop the operation.
If a seat is not occupied, 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 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.
●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 being 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
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 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.
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.
D
E
Automatic Seat Operation

1303-3. Adjusting the seats
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.312)
1 Display the home screen on the
Rear Multi Operation Panel
(P.312) and then touch “Seat”.
2 Touch “Left” or “Right”.
3 Touch .
4 Touch a button to change the set-
ting. The seat and steering wheel are auto-
matically adjusted to allow the driver to
enter and exit the vehicle easily.
Driver’s seat
When all of the following have been
performed, the seat and steering
wheel are automatically adjusted to a
position that allows driver to enter and
exit the vehicle easily.
• The shift position has been shifted to P.
• The engine switch has been turned off.
• The driver’s seat belt has been unfastened.
When the driver’s seat adjustment
switches are in front passenger mode
( P.121), the seat and steering wheel will
not move.
Driving position memory
This feature automatically adjusts
the positions of the front seats,
steering wheel, outside rear view
mirrors and head-up display (if
equipped) to make entering and
exiting the vehicle easier or to suit
your preferences.
Up to 3 different driving positions
can be recorded.
Each electronic key (including a
card key) can be registered to
recall your preferred driving posi-
tion.
Power easy access system

1313-3. Adjusting the seats
3
Before driving
On vehicles with adjustable seat cush-
ion side bolsters, when the driver’s
door is opened with the engine switch
off, the seat cushion side bolsters will
lower if they are in the default position.
When any of the following has been
performed, the seat and steering
wheel automatically return to their
original positions.
• The engine switch has been turned to ACCESSORY mode or IGNI-
TION ON mode.
• The driver’s seat belt has been fas- tened.
Front passenger’s seat
If all of the following have been per-
formed while the vehicle is stopped,
the lumbar support, pelvic support,
shoulder bolster (if equipped), seat-
back side bolster (if equipped), and hip
support (if equipped) will be moved to
their default position. On vehicles with
adjustable seat cushion side bolsters,
the seat cushion side bolsters will
lower.
• The passenger’s seat belt has been unfastened.
• The front passenger’s door is opened.
■Operation of the power easy access sys-
tem
●When exiting the vehicle, the power easy
access system may not operate if the seat
is already in the rearmost or uppermost
position or close to the rear seat.
●If the seat position is adjusted during
power easy access syst em operation, the
automatic operation will stop. (The seat
will change to manual operation.)
●If the seat position is adjusted during or
after the power easy access system oper-
ation when the driver is exiting the vehi-
cle, the power easy access system will not
operate when entering the vehicle.
■Seat cushion side bolster adjustment (if
equipped)
If the seat cushion side bolsters have been
lowered, when the front door is closed, the
seat cushion side bolsters will move to their
default position.
If the seat is adjusted while the seat cushion
side bolsters are moving to the default posi-
tion, their movement will be temporarily
suspended. (The seat cushion side bolsters
will move to the default position after a cer-
tain amount of time.)
■Customization
Some functions can be customized.
(  P.470)
1 Turn the engine switch to IGNI-
TION ON mode.
2 Check that the shift position is in P.
3 Adjust the driver’s seat, steering
wheel, outside rear view mirrors
and head-up display (if equipped)
to the desired positions.
4 While pressing the “SET” button, or
within 3 seconds after the “SET”
Recording a driving position into
memory

1323-3. Adjusting the seats
button is pressed, press button “1”,
“2” or “3” until the buzzer sounds.
If the selected button has already been
preset, the previously recorded position
will be overwritten.
When the driver’s seat adjustment
switches are in front passenger mode
( P.121), the position of the driver’s seat
cannot be registered.
To record the position of the front pas-
senger’s seat, adjust the front passen-
ger’s seat to the desired position and
perform step 4
using the buttons on
the front passenger’s side.
■In order to correctly use the driving
position memory function
If a seat position is already in the furthest
possible position and the seat is operated in
the same direction, the recorded position
may be slightly differen t when it is recalled.
1Turn the engine switch to IGNI-
TION ON mode.
2
Check that the shift position is in P. 3
Press one of the buttons for the
driving position you want to recall
until the buzzer sounds.
When the driver’s seat adjustment
switches are in front passenger mode
(
 P.121), a driving position cannot be
recalled.
■To stop the position recall operation
part-way through
Perform any of the following operations:
●Press the “SET” button.
●Press button “1”, “2” or “3”.
●Press the mode change button.
●Operate any of the seat adjustment
switches (only cancels seat position
recall).
●Operate the tilt and telescopic steering
control switch (onl y cancels steering
wheel position recall).
■Recalling a driving position
If a driving position is recalled, the move-
ment of the front seat may be stopped part-
way if the seat moves close to the rear seat.
If a rear passenger is determined to be in
the vehicle, the rearward movement of the
front seat may be stopped partway to
ensure sufficient space for the rear passen-
ger.
■Recalling the front passenger’s seat
position (vehicles with a rear seat with
an ottoman)
If the ottoman of the rear seat is extended,
the front passenger’s se at position cannot
be recalled.
WARNING
■Seat adjustment caution
Take care during seat adjustment so that
the seat does not strike the rear passen-
ger or squeeze your body against the
steering wheel.
Recalling a driving position

1333-3. Adjusting the seats
3
Before driving
■Operating the driving position memory
after turning the engine switch off
Driver’s seat:
Recorded seat positions can be activated
up to 180 seconds after the driver’s door is
opened and another 60 seconds after it is
closed again.
Front passenger’s seat:
Recorded seat positions can be recalled up
to 180 seconds after the front passenger’s
door is opened.
■Registering procedure
Record your driving position to button
“1”, “2” or “3” before performing the
following:
Carry only the key you want to register,
and then close the driver’s door.
If 2 or more keys are in the vehicle, the
driving position cannot be recorded
properly.
1 Turn the engine switch to IGNI-
TION ON mode.
2 Check that the shift position is in P.
3 Recall the driving position that you
want to record.
4 While pressing the recalled button,
press and hold the door lock switch
(either lock or unlock) until the
buzzer sounds.
If the button could not be registered, the
buzzer sounds continuously for approxi- mately 3 seconds.
■Cancelation procedure
Carry only the key you want to cancel
and then close the driver’s door.
If 2 or more keys are in the vehicle, the
driving position cannot be canceled
properly.
1 Turn the engine switch to IGNI-
TION ON mode.
2 Check that the shift position is in P.
3 While pressing the “SET” button,
press and hold the door lock switch
(either lock or unlock) until the
buzzer sounds twice.
If the button could not be canceled, the
buzzer sounds continuously for approxi-
mately 3 seconds.
■Recall procedure
1 Make sure that the doors are
locked before recalling the driving
position. Carry the electronic key
that has been registered to the driv-
ing position, and then unlock and
open the driver’s door using the
smart access system with push-but-
ton start or wireless remote control.
The driving position will move to the
recorded position (not including the steer-
ing wheel and head-up display [if
equipped]). However, the seat will move to
a position slightly behind the recorded
position in order to make entering the vehi-
Registering/canceling/recall a
driving position to an electronic
key (including a card key) (mem-
ory recall function)