remote start lexus LC500h 2020 / LEXUS 2020 LC500,LC500H (OM11537U) User Guide

1153-2. Opening, closing and locking the doors and trunk
3
Before driving
The trunk opener switch can be tem-
porarily disabled to protect luggage
stored in the trunk against theft.
Turn the trunk opener main switch in
the glove box off to disable the trunk
opener.
On
Off
When the trunk opener main switch is off,
the trunk lid cannot be opened even with
the wireless remote control or entry func-
tion.
■When leaving a key to the vehicle with a
parking attendant
 P.107
■Antenna location
Antennas outside the cabin
Antennas inside the cabin
Antenna inside the trunk
Antenna outside the trunk
Protecting luggage against theft
A
B
Smart access system with
push-button start
The following operations can be
performed simply by carrying the
electronic key (including the card
key) on your person, for example in
your pocket. The driver should
always carry the electronic key.
 Locks and unlocks the doors
( P.108)
 Opens the trunk ( P.113)
 Starts the engine
( P.148, 151)
A
B
C
D

1173-2. Opening, closing and locking the doors and trunk
3
Before driving
■Battery-saving function
The battery-saving fu nction will be acti-
vated in order to prevent the electronic key
battery and the 12-volt battery from being
discharged while the vehicle is not in opera-
tion for a long time.
●In the following situations, the smart
access system with pu sh-button start may
take some time to unlock the doors.
• The electronic key has been left within
approximately 6 ft. (2 m) of the outside of
the vehicle for 10 minutes or longer.
• The smart access system with push-but-
ton start has not been used for 5 days or
longer.
●If the smart access system with push-but-
ton start has not been used for 14 days or
longer, the doors cannot be unlocked at
the passenger door. In this case, push the
depression on the front edge the driver’s
door handle, or use the wireless remote
control or mechanical key, to unlock the
doors.
■Turning an electronic key to battery-
saving mode
When battery-saving mode is set, battery
depletion is minimized by stopping the elec-
tronic key from re ceiving radio waves.
Press twice while pressing and
holding . Confirm that the elec-
tronic key indicator flashes 4 times.
While the battery-saving mode is set, the
smart access system with push-button start
cannot be used. To cancel the function,
press any of the electronic key buttons.
■Conditions affe cting operation
The smart access system with push-button
start uses weak radio waves. In the following
situations, the communication between the
electronic key and the vehicle may be affected, preventing
the smart access sys-
tem with push-button start, wireless remote
control and engine immobilizer system
from operating prop-
erly.
(Ways of coping: P.359)
●When the electronic key battery is
depleted
●Near a TV tower, electric power plant,
gas station, radio stat ion, large display,
airport or other fac ility that generates
strong radio waves or electrical noise
●When carrying a portable radio, cellular
phone, cordless phone or other wireless
communication device
●When the electronic key is in contact
with, or is covered by the following metal-
lic objects
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil inside
• Metallic wallets or bags
•Coins
• Hand warmers made of metal
• Media such as CDs and DVDs
●When other wireless keys (that emit radio
waves) are being used nearby
●When carrying the electronic key
together with the following devices that
emit radio waves
• Another vehicle’s electronic key or a wireless key that emits radio waves
• Personal computers or personal digital
assistants (PDAs)
• Digital audio players
• Portable game systems
●If window tint with a metallic content or
metallic objects are attached to the rear
window
●When the electronic key is placed near a
battery charger or electronic devices
■Note for the entry function
●Even when the electronic key is within the
effective range (detection areas), the sys-
tem may not operate properly in the fol-
lowing cases:
• The electronic key is too close to the win-
dow or outside door handle, near the
ground, or in a high place when the doors
are locked or unlocked.

1183-2. Opening, closing and locking the doors and trunk
• 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.117)
●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.
■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
alarm may go off accidentally, or the door
lock prevention function may not oper-
ate.)

1193-2. Opening, closing and locking the doors and trunk
3
Before driving
●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.114)
■If an electronic key does not work prop-
erly
●Locking and unlocking the doors and
opening the trunk: P.359
●Starting the engine :
 P.360
■Customization
Settings (e. g. smart access system with push-button start) can be changed.
(Customizable features:
P.395)
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.108, 113, 359)
●Starting the engine and
changing engine switch
modes: P.360
●Stopping the engine :
 P.150, 153
■Certification for the smart access system with push-button start
For vehicles sold in the U.S.A., Hawaii, Guam and Puerto Rico

1263-3. Adjusting the seats
and then close the driver’s door.
If 2 or more keys are in the vehicle, the
driving position cannot be recorded
properly.
1Turn the engine switch switch> to IGNITION 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
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
driving position cannot be canceled prop-
erly.
2Turn the engine switch switch> to IGNITION ON mode
.
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 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 switch> to ACCESSORY mode or
IGNITION ON mode mode>.
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.395)

1353-5. Opening and closing the windows
3
Before driving
pletely closed, continue holding the
switch for a further 1 second or more.
If you release the switch while the window is
moving, start again from the beginning.
If the window reverses and cannot be fully
closed or opened, have the vehicle
inspected by your Lexus dealer.
■Door lock linked window operation
●The power windows can be opened and
closed using the mechanical key.*
(  P.359)
●The power windows can be opened using
the wireless remote control.* ( P.108)
*: These settings must be customized at
your Lexus dealer.
■Power windows open warning buzzer
The buzzer sounds and “Window Open” is
shown on the multi-information display in
the instrument cluster when the engine
switch is turned off and the
driver’s door is opened with the power win-
dows open.
■Customization
Settings (e.g. linked door lock operation)
can be changed.
(Customizable features:  P.395)
This function can be used to prevent
children from accidentally opening or
WARNING
Observe the following precautions.
Failure to do so may result in death or
serious injury.
■Closing the windows
●The driver is responsible for all the
power window operations, including
the operation for the passengers. In
order to prevent accidental operation,
especially by a child, do not let a child
operate the power windows. It is possi-
ble for children and other passengers
to have body parts caught in the power
window. Also, when riding with a child,
it is recommended to use the window
lock switch. ( P.135)
●Check to make sure that all passen-
gers do not have any part of their body
in a position where it could be caught
when a window is being operated.
●When using the wireless remote con-
trol or mechanical key and operating
the power windows, operate the
power window after checking to make
sure that there is no possibility of any
passenger having any of their body
parts caught in the window. Also do
not let a child operate window by the
wireless remote control or mechanical
key. It is possible for children and other
passengers to get caught in the power
window.
●When exiting the vehicle, turn the
engine switch off, carry
the key and exit the vehicle along with
the child. There may be accidental
operation, due to mischief, etc., that
may possibly lead to an accident.
■Jam protection function
●Never use any part of your body to
intentionally activa te the jam protec-
tion function.
●The jam protection function may not
work if something gets jammed just
before the window is fully closed. Be
careful not to get any part of your body
jammed in the window.
■Catch protection function
●Never use any part of your body or
clothing to intentionally activate the
catch protection function.
●The catch protection function may not
work if something gets caught just
before the window is fully opened. Be
careful not to get any part of your body
or clothing caught in the window.
Preventing accidental operation
(window lock switch)

3036-3. Do-it-yourself maintenance
6
Maintenance and care
LC500hThe 12-volt battery is located in the
trunk.
■Before recharging
When recharging, the 12-volt battery pro-
duces hydrogen gas which is flammable
and explosive. Therefore, observe the fol-
lowing precautions before recharging:
●If recharging with the 12-volt battery
installed on the vehicle, be sure to discon-
nect the ground cable.
●Make sure the power switch on the char-
ger is off when connecting and discon-
necting the charger cables to the 12-volt
battery.
■After recharging/reconnecting the 12-
volt battery
●Unlocking the doors using the smart
access system with pu sh-button start may
not be possible immediately after recon-
necting the 12-volt battery. If this hap-
pens, use the wireless remote control or
the mechanical key to lock/unlock the
doors.
●Start the engine with the
engine switch in ACCES-
SORY mode. The engine tem> may not start with the engine switch
turned off. However, the
engine will operate nor-
mally from the second attempt.
●The engine switch mode
is recorded by the vehicle. If the 12-volt
WARNING
■When adding washer fluid
Do not add washer fluid when the engine
is hot or running ating> as washer fluid contains alcohol
and may catch fire if spilled on the engine
etc.
NOTICE
■Do not use any fluid other than
washer fluid
Do not use soapy water or engine anti-
freeze instead of washer fluid.
Doing so may cause streaking on the
vehicle’s painted surfaces, as well as
damaging the pump leading to problems
of the washer fluid not spraying.
■Diluting washer fluid
Dilute washer fluid with water as neces-
sary.
Refer to the freezing temperatures listed
on the label of the washer fluid bottle.
12-volt battery
Location

3226-3. Do-it-yourself maintenance
■If the electronic key battery is depleted
The following symptoms may occur:
●The smart access syst em with push-but-
ton start and wireless remote control will
not function properly.
●The operational rang e will be reduced.
■When the card key battery needs to be
replaced (if equipped)
The battery for th e card key is available only
at Lexus dealers. Your Lexus dealer can
replace the battery for you.
Prepare the following before replacing
the battery:
 Flathead screwdriver
 Small flathead screwdriver
 Lithium battery CR2032
■Use a CR2032 lithium battery
●Batteries can be purchased at your Lexus
dealer, local electrical appliance shops or
camera stores.
●Replace only with the same or equivalent
type recommended by the manufacturer.
●Dispose of used batteries according to
the local laws.
1 Take out the mechanical key.
2 Remove the cover.
To prevent damage to the key, wrap the tip
of the screwdri ver with tape.
3Remove the depleted battery using
a small flathead screwdriver.
Insert a new battery with the “+” terminal
facing up.
Electronic key battery
Replace the battery with a new one
if it is depleted.
Items to prepare
Replacing the battery

3597-2. Steps to take in an emergency
7
When trouble arises
the filler opening due to air being dis-
charged from inside the fuel tank.
Therefore, fill the fuel tank carefully and
slowly.
■When the electronic key does not work
properly
●Make sure that the smart access system
with push-button start has not been deac-
tivated using the Remote Touch or at your
Lexus dealer. If it is off, turn the function
on.
●Check if battery-saving mode is set. If it is
set, cancel the function. ( P.117)
Use the mechanical key ( P.106) in
order to perform th e following opera-
tions:
WARNING
■After opening the fuel filler door
Make sure to put back the cover to the
center of the rear seat. Failure to do so
may cause an accident.
NOTICE
■After opening the fuel filler door
●Secure the tab in its original position.
●Install the tab so that it does not cover
the clip installation position . Fail-
ure to do so may cause damage to the
clip and make it impossible to install
the cover.
A
If the electronic key does not
operate properly
If communication between the
electronic key and vehicle is inter-
rupted ( P.117) or the electronic
key cannot be used because the
battery is depleted, the smart
access system with push-button
start and wireless remote control
cannot be used. In such cases, the
doors and trunk can be opened and
the engine can be
started by following the procedure
below.
NOTICE
■In case of a smart access system with
push-button start malfunction or
other key-rela ted problems
Take your vehicle with all the electronic
keys (including the card key) provided
with your vehicle to your Lexus dealer as
soon as possible.
Locking and unlocking the
doors, opening the trunk and
using the key linked functions

3657-2. Steps to take in an emergency
7
When trouble arises
of your vehicle by
turning the engine switch switch> to IGNITION ON mode
.
8 Once the vehicle’s engine system> has started, remove the
jumper cables in the exact reverse
order from which they were con-
nected.
9 Close the exclusive jump starting
terminal cover, and reinstall the fuse
box cover to its original position.
Once the engine starts,
have the vehicle inspected at your Lexus
dealer as soon as possible.
■Starting the engine
when the 12-volt battery is discharged
The engine cannot be
started by push-starting.
■To prevent 12-volt battery discharge
●Turn off the headlights and the audio sys-
tem while the engine is
stopped.
●Turn off any unnecessary electrical com-
ponents when the vehicle is running at a
low speed for an extended period, such
as in heavy traffic.
■When the 12-volt battery is removed or
discharged
●Information stored in the ECU is cleared.
When the 12-volt battery is depleted,
have the vehicle inspected at your Lexus
dealer.
●Some systems may require initialization.
(  P.407)
■When removing the 12-volt battery ter-
minals
When the 12-volt battery terminals are
removed, the information stored in the
ECU is cleared. Before removing the 12-
volt battery terminals, contact your Lexus
dealer.
■Charging the 12-volt battery
The electricity stored in the 12-volt battery
will discharge gradually even when the
vehicle is not in use, due to natural dis-
charge and the draining effects of certain
electrical appliances. If the vehicle is left for
a long time, the 12-volt battery may dis-
charge, and the engine
may be unable to start. (The 12-volt battery
recharges automatically during driving.)
■When recharging or replacing the 12-
volt battery
●In some cases, it may not be possible to
unlock the doors using the smart access
system with push-button start when the
12-volt battery is discharged. Use the
wireless remote control or the mechani-
cal key to lock or unlock the doors.
●The engine may not start
on the first attempt after the 12-volt bat-
tery has recharged but will start normally
after the second attempt. This is not a
malfunction.
●The engine switch mode
is memorized by the vehicle. When the
12-volt battery is reconnected, the system
will return to the mode it was in before
the 12-volt battery was discharged.
Before disconnecting the 12-volt battery,
turn the engine switch off.
If you are unsure wh at mode the engine
switch was in before the
12-volt battery discharged, be especially
careful when reconnecting the 12-volt
battery.
●If the 12-volt battery discharges, it may
not be possible to shift the shift position to
other positions. In this case, the vehicle
cannot be towed without lifting both rear
wheels because the re ar wheels will be
locked. ( P.334)
■When replacing the 12-volt battery
●Use a Central Degassing type 12-volt
battery (European Regulations).
●Type A*1: Use a 12-volt battery that the
case size is same as the previous one
(LN4), 20 hour rate capacity (20HR) is
equivalent (80Ah) or greater, and per-
formance rating (CCA) is equivalent
(685A) or greater.