engine lexus LC500C 2021 / LEXUS 2021 LC500 CONVERTIBLE (OM11498U) Service Manual

1063-2. Opening, closing and locking the doors and trunk
are locked or unlocked.
• The electronic key is near the ground or in a high place, or too close to the rear
bumper center when the trunk is opened.
• The electronic key is on the instrument panel, rear package tray or floor, or in the
door pockets or glove box when the
engine is started or engine switch modes
are changed.
●Do not leave the electronic key on top of
the instrument panel or near the door
pockets when exiting the vehicle.
Depending on the radio wave reception
conditions, it may be detected by the
antenna outside the cabin and the doors
will become lockable from the outside,
possibly trapping the electronic key
inside the vehicle.
●As long as the electron ic key is within the
effective range, the doors may be locked
or unlocked by anyone. However, only
the doors detecting the electronic key
can be used to unlock the vehicle.
●Even if the electronic key is not inside the
vehicle, it may be possible to start the
engine if the electronic key is near the
window.
●The doors may unlock or lock if a large
amount of water spla shes on the door
handle, such as in the rain or in a car
wash, when the electronic key is within
the effective range. (The doors will auto-
matically be locked after approximately
60 seconds if the d oors are not opened
and closed.)
●If the wireless remote control is used to
lock the doors when the electronic key is
near the vehicle, there is a possibility that
the door may not be unlocked by the
entry function. (Use the wireless remote
control to unlock the doors.)
●When the lock operation is performed
using the lock sensor, recognition signals
will be shown up to two consecutive
times. After this, no recognition signals
will be given.
●If the door handle becomes wet while the
electronic key is within the effective
range, the door may lock and unlock
repeatedly. In this case, follow the follow-
ing correction procedures to wash the vehicle:
• Place the electronic key in a location 6 ft. (2 m) or more away from the vehicle.
(Take care to ensure that the key is not
stolen.)
• Set the electronic key to battery-saving
mode to disable the smart access system
with push-button start. ( P.104)
●If the electronic key is inside the vehicle
and a door handle becomes wet during a
car wash, a message may be shown on
the multi-information display and a
buzzer will sound outside the vehicle. To
turn off the alarm, lock both side doors.
●If an outside door handle is not retracted
during a car wash, a door may be opened
or an outside door handle may be dam-
aged. Make sure that the outside door
handles are retracted before using the
car wash.
●A sudden handle operation or a handle
operation immediately after entering the
effective range may prevent the doors
from being unlocked. Touch the door
unlock sensor and check that the doors
are unlocked before pulling the door
handle again.
●Unlocking the vehicle may take more
time if another electronic key is within the
effective range.
■When the vehicle is not driven for
extended periods
●To prevent theft of the vehicle, do not
leave the electronic key within 6 ft. (2 m)
of the vehicle.
●The smart access system with push-but-
ton start can be deactivated in advance.
●Setting the electronic key to battery-sav-
ing mode helps to reduce key battery
depletion. ( P.105)
■To operate the system properly
●Make sure to carry the electronic key
when operating the system. Do not get
the electronic key too close to the vehicle
when operating the system from the out-
side of the vehicle.
Depending on the position and holding
condition of the elec tronic key, the key
may not be detected correctly and the
system may not operate properly. (The

1073-2. Opening, closing and locking the doors and trunk
3
Before driving
alarm may go off accidentally, or the door
lock prevention function may not oper-
ate.)
●Do not leave the electronic key inside the
trunk.
The key confinement prevention function
may not operate, depending on the loca-
tion of the key (the inside edge of the
trunk), conditions (inside a metal bag,
close to metallic objects) and the radio
waves in the surrounding area. ( P.102)
■If an electronic key does not work prop-
erly
●If the doors cannot be locked or
unlocked and the trunk cannot be
opened, perform the following.
• Bring the electronic key close to the door
handle and perform a lock or unlock
operation.
• Bring the electronic key close to the but-
ton on the trunk ( P.101) and press the
button.
• Use the wireless remote control.
If the doors cannot be locked or unlocked by perform the above, use the mechanical
key. (
P.330)
For Canada: However, if the mechanical
key is used while the al arm system is set, the
warning will sound. ( P.65)
●If the engine cannot be started, refer to
P.331
■Customization
Settings (e. g. smart access system with
push-button start) can be changed.
(Customizable features: P.367)
If the smart access system with push-button
start has been deactivated in a customized
setting, refer to the explanations for the fol-
lowing operations.
●Locking and unloc king the doors and
opening the trunk:
Use the wireless remote control or
mechanical key. ( P.96, 102, 330)
●Starting the engine and changing engine
switch modes:  P.331
●Stopping the engine: P.147
■Certification for the smart access system with push-button start
For vehicles sold in the U.S.A., Hawaii, Guam and Puerto Rico

1103-3. Adjusting the seats
3-3.Adjusting the seats
Seat position adjustment
Seatback angle adjustment
Seat cushion (front) angle adjust-
ment
Vertical height adjustment
Lumbar support adjustment
■When adjusting the seat
●Make sure that any surrounding passen-
gers or objects are not contact the seat.
●Take care when adjusting the seat so that
the head restraint does not touch the ceil-
ing.
■Seat-linked function
This function operates when the seat is
moved forward, backward or in the reclin-
ing direction a certain distance or more.
■Power easy access system
The driver’s seat and steering wheel move
in accordance with engine switch mode and
the driver’s seat belt condition. ( P.112)
■Before entering/exiting the rear
seats
 Remove the seat belt from the seat
belt guide. ( P.26)
 Stow the sun visor.
Front seats
The seats can be adjusted (longitu-
dinally, vertically, etc.). Adjust the
seat to ensure the correct driving
posture.
Adjustment procedure
A
B
C
D
E
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.
●Do not put your hands under the seat
or near the moving parts to avoid
injury.
Fingers or hands may become
jammed in the seat mechanism.
●Make sure to leave enough space
around the feet so they do not get
stuck.
■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 con-
trol of the vehicle.
Entering/exiting the rear seats
(lever-operated “Front, Fold &
Return” seat)

1113-3. Adjusting the seats
3
Before driving
■Entering/exiting the rear seat
1
Pull the lever.
The front seat will lower automatically.
2Fold the seatback completely for-
ward.
The front seat will move forward automati-
cally.
■Returning the front seat to its origi-
nal position
Move the seatback backward until it
locks. The front seat will return to its
original position automatically.
■Lever-operated “Front, Fold & Return”
seat
●After the front seat is moved forward by
operating the “Front, Fold & Return” seat
lever, if a power seat adjusting switch or a
driving position memory switch is
pressed, the front seat will not return to its
original position even if the front seat-
back is moved backward until it locks.
●The lever-operated “Front, Fold &
Return” seat will not operate in the fol- lowing situations:
• The seat belt of the seat to be operated is fastened.
• The engine switch is in ON and the shift position is in a position other than P.
●Operation of the lever-operated “Front,
Fold & Return” seat will stop in the follow-
ing situations:
• A power seat adjusting switch or a driv- ing position memory switch is pressed.
• The seat belt of the seat which is operat-
ing is fastened.
• The engine switch is in ON and the shift position is changed to a position other
than P.
●If the front seat is close to the sun visor or
other surrounding parts, frontwards and
upwards movement may be restricted.
■Jam protection function
While the driving position is recalling or the
power easy access system is operating, if an
object is stuck behind the front seat, the
front seat will stop an d then move slightly
forward.
While the lever-operated “Front, Fold &
Return” seat is operatin g, if an object is
stuck either in front of or behind the front
seat, the front seat will stop and then move
in the opposite direction slightly.
When the jam protection function operates,
the seat stops at a po sition other than the
set seat position. Chec k the seat position.
WARNING
■Lever-operated “Front, Fold &
Return” seat
●Before operating the lever-operated
“Front, Fold & Return” seat, ensure
that any surrounding passengers or
objects will not contact the seat.
●Make sure the seat back is locked
securely before driving.
●Never operate the lever-operated
“Front, Fold & Return” seat while the
vehicle is moving.

1123-3. Adjusting the seats
The seat and steering wheel are auto-
matically adjusted to allow the driver to
enter and exit the vehicle easily.
When all of the following have been
performed, the seat and steering wheel
are automatically adjusted to a position
that allows the 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.
WARNING
■Jam protection function
Do not use a hand, foot, or any other part
of your body to intentionally activate the
jam protection function.
Driving position memory
This feature automatically adjusts
the positions of the driver’s seat,
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

1133-3. Adjusting the seats
3
Before driving
When any of the following has been
performed, the driver’s seat and steer-
ing wheel automatically return to their
original positions.
The engine switch has been turned
to ACC or ON.
 The driver’s seat belt has been fas-
tened.
■Operation of the power easy access
system
●When exiting the vehicle, the power easy
access system may not operate if the seat
is already close to the rearmost position,
etc.
●If the seat position is adjusted during the
power easy access sy stem operation, the
automatic operating 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.
■Customization
The seat movement amou nt settings of the
power easy access sy stem can be custom-
ized.
(Customizable features: P.367)
1Turn the engine switch to ON. 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 to the desired
positions.
4
While pressing the “SET” button, or
within 3 seconds after the “SET”
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.
■Seat positions that can be memorized
(  P.110)
The adjusted positions other than the posi-
tion adjusted by lumbar support switch can
be recorded.
■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.
Recording a driving position into
memory
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.

1143-3. Adjusting the seats
1Turn the engine switch to ON.
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.
■To stop the position recall operation
part-way through
Perform any of the following:
●Press the “SET” button.
●Press button “1”, “2” or “3”.
●Operate any of the seat adjustment
switches (only cancels seat position
recall).
●Operate the tilt and telescopic steering
control switch (only cancels steering
wheel position recall).
●Operate the head-up display position
adjustment switch (if equipped) (only
cancels head-up display position recall).
■Operating the driving position memory
after turning the engine switch off
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.
■Registering procedure
Record your driving position to button
“1”, “2” or “3” before performing the
following:
Carry only the key you want to regis-
ter, 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 ON.
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
1 Carry only the key you want to can-
cel and then close the driver’s door.
If 2 or more keys are in the vehicle, the
Recalling a driving positionRegistering/canceling/recall a
driving position to an electronic
key (including a card key) (mem-
ory recall function)

1153-3. Adjusting the seats
3
Before driving
driving position cannot be canceled prop-
erly.
2Turn the engine switch to ON.
3 Check that the shift position is in P.
4 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 the driving position is in a position that
has already been recorded, the seat and
outside rear view mirrors will not move.
2Turn the engine switch to ACC or
ON, or fasten a seat belt.
The steering wheel and head-up display
will move to the recorded position.
■Recalling the driving position using the
memory recall function
●Different driving positions can be regis-
tered for each electronic key. Therefore,
the driving position that is recalled may
be different depending on the key being
carried.
●If the passenger’s door is unlocked with
the smart access system with push-but-
ton start, the driving position cannot be
recalled. In this case, press the driving
position button which has been set.
■Customization
The unlock door sett ings of the memory
recall function can be changed.
(Customizable features: P.367)

1173-4. Adjusting the steering wheel and mirrors
3
Before driving
3-4.Adjusting the steering wheel and mirrors
Operating the switch moves the steer-
ing wheel in the following directions:
1
Up
2
Down
3
Toward the driver
4
Away from the driver
■The steering wheel can be adjusted
when
The engine switch is in ACC or ON.
■Automatic adjustment of the steering
position
A desired steering position can be entered
to memory and recalled automatically by
the driving position memory system.
(  P.112)
■Power easy access system
The steering wheel and driver’s seat move
in accordance with power switch mode and
the driver’s seat belt condition. ( P.112)
Press on or close to the mark.
Steering wheel
Adjustment procedure
WARNING
■Caution while driving
Do not adjust the steering wheel while
driving.
Doing so may cause the driver to mis-
handle the vehicle and cause an acci-
dent, resulting in death or serious injury.
Sounding the horn

1183-4. Adjusting the steering wheel and mirrors
The height of the rear view mirror can
be adjusted to suit your driving pos-
ture.
Adjust the height of the rear view mir-
ror by moving it up and down.
Responding to the level of brightness
of the headlights of vehicles behind, the
reflected light is automatically
reduced.
Turn the automatic anti-glare function
mode on/off
When the automatic anti-glare function is
in ON mode, the indicator illuminates.
The function will set to ON mode each
time the engine switch is turned to ON.
Pressing the button turns the function to
OFF mode. (The indicator also turns
off.)
■To prevent sensor error
To ensure that the sensors operate prop-
erly, do not touch or cover them.
Inside rear view mirror
The rear view mirror’s position can
be adjusted to enable sufficient
confirmation of the rear view.
Adjusting the height of rear view
mirror
WARNING
■Caution while driving
Do not adjust the position of the mirror
while driving.
Doing so may lead to mishandling of the
vehicle and cause an accident, resulting
in death or serious injury.
Anti-glare function
A
A