2021 Lexus LC500h Mechanical key open trunk

12Pictorial index
Pictorial index
■Exterior
Doors .......................................................................................................................... .P.110
Locking/unlocking .............................................................................................................. P.110
Opening/closing the side window ............................................................................. P.138
Locking/unlocking by using th e mechanical key ................................................P.368
Warning messages ............................................................................................................. P. 113
Trunk .......................................................................................................................... .. P.114
Opening from inside the cabin ...................................................................................... P.115
Opening from outside ....................................................................................................... P.115
Opening by using the mechanical key .................................................................... P.369
Warning messages ............................................................................................................. P. 113
Outside rear view mirrors....................................................................................P.135
Adjusting the mirror angle ............................................................................................. P.135
Folding the mirrors ............................................................................................................ P.136
Driving position memory ................................................................................................. P.127
Defogging the mirrors ......................................................................................................P.26 1
Windshield wipers .................................................................................................. P.187A
B
C
D

721-5. Theft deterrent system
■Items to check before locking the
vehicle
To prevent unexpected triggering of
the alarm and vehicle theft, make sure
of the following:
 Nobody is in the vehicle.
 The windows are closed before the
alarm is set.
 No valuables or other personal
items are left in the vehicle.
■Setting
Close the doors, trunk and hood, and
lock both side doors. The system will
be set automatically after 30 seconds.
The indicator light changes from being on
to flashing when the system is set.
■Canceling or stopping
Do one of the following to deactivate
or stop the alarms:
 Unlock the doors or open the trunk.
 Turn the engine switch switch> to ACCESSORY or IGNI-
TION ON mode , or
start the engine .
(The alarm will be deactivated or
stopped after a few seconds.)
■System maintenance
The vehicle has a maintenance-free type
alarm system.
■Triggering of the alarm
The alarm may be triggered in the following
situations:
(Stopping the alarm deactivates the alarm
system.)
●A person inside the vehicle opens a door,
the trunk or hood, or unlocks the vehicle
using a door lock switch.
●The 12-volt battery is recharged or
replaced when the vehicle is locked.
(  P.374)
Alarm
The alarm uses light and sound to
give an alert when an intrusion is
detected.
The alarm is triggered in the follow-
ing situations when the alarm is set:
 A locked door or trunk is
unlocked or opened in any way
other than using the entry func-
tion, wireless remote control or
mechanical key. (The doors will
lock again automatically.)
 The hood is opened.
Setting/canceling/stopping the
alarm system

1083-1. Key information
The electronic keys are equipped with
the following wireless remote control:Locks the doors (
P.110)
Unlocks the doors ( P.110)
Opens the windows
* (  P.110)
Opens the trunk ( P.115)
Sounds the alarm ( P.108)
*: This setting must be customized at your
Lexus dealer.
■Theft deterrent panic mode
When is pressed for longer than
about one second, an alarm will sound
intermittently and the vehicle lights will flash
to deter any person from trying to break
into or damage your vehicle.
To stop the alarm, press any button on the
electronic key.
To take out the mechanical key, push
the release button and take the key out.
The mechanical key can only be inserted in
one direction, as the key only has grooves
on one side. If the key cannot be inserted in
NOTICE
■Handling the card key (if equipped)
●Do not apply excess force when insert-
ing the mechanical key into the card
key. Doing so may damage the card
key.
●If the battery or card key terminals get
wet, the battery may corrode and the
card key may stop working.
If the key is dropped into water, or if
drinking water, etc. is spilled on the key,
immediately remove the battery cover
and wipe the battery and terminals. (To
remove the battery co ver, lightly grasp
and pull it.) If the battery is corroded,
have your Lexus dealer replace the
battery.
●Do not crush the battery cover or use
a screwdriver to remove the battery
cover.
Forcibly removing the battery cover
may bend or damage the key.
●If the battery cover is frequently
removed, the battery cover may
become loose.
●When installing the ba ttery, make sure
to check the direction of the battery.
Installing the battery in the wrong
direction may cause the battery to
deplete rapidly.
●The surface of the card key may be
damaged, or its coating may peel off in
the following situations:
• The card key is carried together with hard objects, such as coins and keys.
• The card key is scraped with a sharp object, such as the tip of a mechanical
pencil.
• The surface of the card key is wiped with thinner or benzene.
Wireless remote control
Using the mechanical key
A
B
C
D
E

1093-1. Key information
3
Before driving
a lock cylinder, turn it over and re-attempt
to insert it.
After using the mechanical key, store it in
the electronic key. Carry the mechanical
key together with the electronic key. If the
electronic key battery is depleted or the
entry function does not operate properly,
you will need the mechanical key.
( P.367)
■When required to leave the vehicle’s
key with a parking attendant
Turn the trunk opener main switch off and
lock the glove box ( P.273) as circum-
stances demand.
Remove the mechanical key for your own
use and provide the attendant with the elec-
tronic key only.
■If you lose your mechanical keys
 P.366
■If a wrong key is used
The key cylinder rotates freely, isolated
from the internal mechanism.

1113-2. Opening, closing and locking the doors and trunk
3
Before driving
■Switching the door unlock function
It is possible to set which doors the entry
function unlocks using the wireless remote
control.
1 Turn the engine switch
off.
2 When the indicator light on the key sur-
face is not on, press and hold ,
or for approximately 5
seconds while pressing and holding
.
The setting changes each time an operation
is performed, as shown below. (When
changing the setting continuously, release
the buttons, wait for at least 5 seconds, and
repeat step 2 .)
To prevent unintended triggering of the
alarm, unlock the doors using the wireless
remote control and open and close a door
once after the settings have been changed.
(If a door is not opened within 60 seconds
after is pressed, the doors will be
locked again and the alarm will automati- cally be set.)
In a case that the alarm is triggered, imme-
diately stop the alarm. (
P.72)
■Impact detection door lock release sys-
tem
In the event that the vehicle is subject to a
strong impact, both side doors are
unlocked. Depending on the force of the
impact or the type of accident, however, the
system may not operate.
■Operation signals
A buzzer sounds and the emergency flash-
ers flash to indicate that the doors have
been locked/unlocked. (Locked: once;
Unlocked: twice)
A buzzer sounds to in dicate that the win-
dows are operating.
■Security feature
If a door is not opened within approximately
60 seconds after the vehicle is unlocked,
the security feature automatically locks the
vehicle again.
■Open door warning buzzer
If an attempt to lock the doors is made when
a door is not fully closed, a buzzer sounds
continuously for 5 seconds. Fully close the
door to stop the buzzer, and lock the vehi-
cle once more.
■Setting the alarm
Locking the doors will set the alarm system.
(  P.72)
■Conditions affecting the operation of
the smart access system with push-but-
ton start or wireless remote control
 P.119
■If the smart access system with push-
button start or the wireless remote con-
trol does not operate properly
Use the mechanical key to lock and unlock
the doors. ( P.367)
Replace the key battery with a new one if it
is depleted. ( P.330)
■If the 12-volt batte ry is discharged
The doors cannot be locked and unlocked
using the smart access system with push-
button start or wireless remote control.
Multi-information display/BeepUnlocking function
Exterior: Beeps 3 times
Interior: Pings once
Pushing the depression
on the front edge of the
driver’s door handle
unlocks only the
driver’s door.
Pushing the depression
on the front edge of the
passenger’s door han-
dle unlocks both side
doors.
Exterior: Beeps twice
Interior: Pings once
Pushing the depression
on the front edge of
either door handle
unlocks both side
doors.

1123-2. Opening, closing and locking the doors and trunk
Lock or unlock the doors using the
mechanical key. (P.367)
■Customization
Settings (e.g. unloc king function using a
key) can be changed.
(Customizable features:  P.405)
■Door lock switches
1 Locks both side doors
The indicator comes on.
2Unlocks both side doors
The indicator turns off.
■Inside door handles
Pull the inside door handle to unlock
the door.
The door lock indicator turns off.
The doors can be op ened by pulling the
inside door handle even if the door lock
indicator illuminates.
■Door lock indicator
The door lock indicator turns on when the
door is locked. If the door lock indicator illu-
minates for more than 30 seconds while
the engine switch is off, the
door lock indicator will automatically turn
WARNING
■To prevent an accident
Observe the following precautions while
driving the vehicle.
Failure to do so may result in a door
opening and an occupant being thrown
out of the vehicle, re sulting in death or
serious injury.
●Ensure that both side doors are prop-
erly closed and locked.
●Do not pull the inside handle of the
doors while driving.
The doors may be opened even if they
are locked.
■Side window open/close function
linked to door operation
Do not hold the upper edge of the side
window when you close the door. Other-
wise, your fingers or hand may be caught
in the window.
■When entering and exiting the vehi-
cle
Do not step on the scuff plate. Slipping
on the surface may result in injury.
Unlocking and locking the doors
from the inside
A
A
A
A

1153-2. Opening, closing and locking the doors and trunk
3
Before driving
■Trunk opener switch
Press the trunk opener switch.
■Smart access system with push-
button start
While carrying the electronic key,
press the button.
When both side doors are unlocked
using one of the following methods, the
trunk can be opened without the elec-
tronic key:
•Entry function
• Wireless remote control
• Door lock switches
• Automatic door unlocking system
• Mechanical key
■Wireless remote control
Press and hold the switch.
A buzzer sounds.
WARNING
●Do not pull on the trunk damper stay
to close the trunk lid, and do not hang
on the trunk damper stay.
Doing so may cause hands to be
caught or the trunk damper stay to
break, causing an accident.
●Do not attach any accessories other
than genuine Lexus parts to the trunk
lid. Such additional weight on the trunk
lid may cause the lid to suddenly shut
again after it is opened.
NOTICE
■Trunk damper stays
The trunk is equipped with damper stays
that hold the trunk lid in place.
Observe the following precautions. Fail-
ure to do so may cause damage to the
trunk damper stay , resulting in mal-
function.
●Do not attach any foreign objects, such
as stickers, plastic sheets, or adhesives
to the damper stay rod.
●Do not touch the damper stay rod with
gloves or other fabric items.
●Do not attach any accessories other
than genuine Lexus parts to the trunk
lid.
●Do not place your hand on the damper
stay or apply lateral forces to it.
A
A
Opening the trunk

1193-2. Opening, closing and locking the doors and trunk
3
Before driving
again.
■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.
●Electronic keys that will not be used for
long periods of time can be set to the bat-
tery-saving mode in advance.
■Conditions affecting 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.367)
●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 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
●When the vehicle is parked in a pay park-
ing spot where radio waves are emitted