2021 Lexus LC500 Mechanical key

3667-2. Steps to take in an emergency
1Remove the cover in the center of
the rear seat. ( P.369)
2 Pull the tab.
LC500h: Using the tab to open the
fuel filler door may not allow for an
adequate reduction in fuel tank pres-
sure before refuelin g. To prevent fuel
from spilling out, turn the cap slowly
when removing it.
During refueling, fuel may spill out from
If you lose your keys
New genuine mechanical keys can
be made by your Lexus dealer using
another mechanical key and the
key number stamped on your key
number plate. Keep the plate in a
safe place such as your wallet, not in
the vehicle.
NOTICE
■When an electronic key is lost
If the electronic key remains lost, the risk
of vehicle theft increases significantly.
Visit your Lexus deal er immediately with
all remaining electronic keys and the
card key that were provided with your
vehicle.
If the fuel filler door cannot
be opened
LC500:
If the fuel filler door opener switch
cannot be operated, the following
procedure can be used to open the
fuel filler door.
LC500h:
If the fuel filler door opener switch
cannot be operated, contact your
Lexus dealer to service the vehicle.
In case where refueling is urgently
necessary, the following procedure
can be used to open the fuel filler
door.
Opening the fuel filler door

3677-2. 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.119)
Use the mechanical key ( P.108) 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.119) 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

3687-2. Steps to take in an emergency
■Locking and unlocking the door
1 Push in the depression on the front
edge of the driver’s door handle.
2 Insert the mechanical key while
pulling on the driver’s door handle.
3 Turn the key in order to perform the
following operations.
Locks both side doors
Closes the windows (turn and
hold)
*
Unlocks the door
Turning the key rearward unlocks the
driver’s door. Turning the key once again
within 5 seconds unlocks the other door.
Opens the windows (turn and
hold)
*
*: These settings must be customized at
your Lexus dealer.
■Opening the trunk
Unlock the doors, and press the trunk
opener switch.
1 Depress the brake pedal.
2 Touch the Lexus emblem side of the
electronic key to the engine switch
.
When the electronic key is detected, a
buzzer sounds and the engine switch
will turn to IGNITION ON
mode .
When the smart access system with push-
button start is deactivated in customization
setting, the engine switch
A
B
C
D
WARNING
■When using the mechanical key and
operating the power windows
Operate the power window after check-
ing to make sure that there is no possibil-
ity of any passenger having any of their
body parts caught in the window.
Also, do not allow children to operate the
mechanical key. It is possible for children
and other passengers to get caught in
the power window.
Starting the engine tem>

3697-2. Steps to take in an emergency
7
When trouble arises
will turn to ACCESSORY mode.
3Firmly depress the brake pedal and
check that is shown on the
multi-information display.
4 Press the engine switch switch>.
In the event that the engine tem> still cannot be started, contact
your Lexus dealer.
■Stopping the engine
Set the parking brake, shift the shift position
to P and press the engine switch switch> as you normally do when stopping
the engine .
■Electronic key battery
As the above procedure is a temporary
measure, it is recomme nded that the elec-
tronic key battery be replaced immediately
when the battery is depleted. ( P.330)
■Changing engine switch
modes
Release the brake pedal and press the
engine switch in step 3
above.
The engine does not start
and modes will be changed each time the
switch is pressed. ( P.155, 159)
Use the mechanical key ( P.108) in
order to perform th e following opera-
tions:
■Locking and unlocking the doors
 P.367
■Opening the trunk
1 Slide the rear passengers’ seat
belts towards the outside.
2 Insert your fingers at the positions
marked and pull towards you to
If the 12-volt battery is dis-
charged
The following procedures may be
used to start the engine tem> or opening the doors, trunk or
glove box if the 12-volt battery is
discharged.
You can also call your Lexus dealer
or a qualified repair shop.
Locking and unlocking the doors
and opening the trunk
A

3707-2. Steps to take in an emergency
remove the cover in the center of
the rear seat.
3 Insert the mechanical key into the
cylinder and turn it clockwise to
open. The glove box can be opened by per-
forming the following
operations after
unlocking the doors.
If the glove box is locked, unlock it with the
mechanical key. ( P.273)
1 Remove the cover using a flathead
screwdriver.
To prevent damage to the cover, cover the
tip of the screwdriver with a rag.
2Push the flathead screwdriver into
the part shown in the illustration to
open the glove box.
■After opening the glove box
The glove box can be opened normally by
closing the glove box after restarting the
engine .
If you have a set of jumper (or booster)
WARNING
■After unlocking the trunk
Make sure to put back the cover to the
center of the rear seat. Failure to do so
may cause an accident.
NOTICE
■When installing the cover in the cen-
ter of the rear seat
Make sure that the seat belts are not
caught in the cover. Failure to do so may
cause damage to the cover installation
clip and make it impossible to install the
cover.
Opening the glove box
Restarting the engine system>

4098-2. Customization
8
Vehicle specifications
*1: If equipped
*2: BSM function only
■Active rear wing* ( P.240)
*:If equipped
■Door lock ( P.110, 114, 367)
Alert timing for presence of
approaching vehicle (sensitivity)
*2
(Intermediate)
(Early)
O(Late)
(Only when in blind
spot)
RCTA buzzer volumeLevel 2Level 1OLevel 3
FunctionDefault settingCustomized setting
Operation of the active rear wingOffOnOO
FunctionDefault settingCustomized setting
Unlocking using a mechanical key
Driver’s door
unlocked in one step, both side
doors unlocked in two steps
Both side doors
unlocked in one step
O
Automatic door lock
Shifting the shift position to
position other than POff
OOVehicle speed is
approximately 12
mph (20 km/h) or higher
FunctionDefault settingCustomized settingABC
ABC
ABC

4128-2. Customization
■Power windows (P.138)
■Turn signal lever ( P.175)
■Automatic light control system ( P.181)
■Lights ( P.181)
*: U.S.A. only
FunctionDefault settingCustomized setting
Mechanical key linked operationOffOnO
Wireless remote control linked
operationOffOn
(Open only)O
Wireless remote control linked
operation signal (buzzer)OnOffO
FunctionDefault settingCustomized setting
The number of times the turn signal
lights flash automatically when the
turn signal lever is moved to the
first position during a lane change
3
5
O7
Off
FunctionDefault settingCustomized setting
Light sensor sensitivityStandard-2 to 2OO
Time elapsed before headlights
automatically turn off after doors
are closed
30 seconds
Off
OO60 seconds
90 seconds
Windshield wiper linked headlight
illuminationOnOffO
FunctionDefault settingCustomized setting
Daytime running lights*OnOffOO
Welcome light illumi nation controlOnOffO
ABC
ABC
ABC
ABC

432What to do if... (Troubleshooting)
1-1.What to do if... (Troubleshooting)What to do if... (Troubleshooting)
If you lose your mechanical keys,
new genuine mechanical keys can
be made by your Lexus dealer.
( P.366)
 If you lose your electronic keys, the
risk of vehicle theft increases signifi-
cantly. Contact your Lexus dealer
immediately. ( P.366)
 Is the electronic key battery weak or
depleted? ( P.330)
 Is the engine switch
in IGNITION ON mode mode>?
When locking the doors, turn the engine
switch off. ( P.155, 159)
 Is the electronic key left inside the
vehicle?
When locking the doors, make sure that
you have the electronic key on your per-
son.
The function may not operate prop-
erly due to the condition of the radio wave. (
P.119)
 The function to prevent the elec-
tronic key from being left inside the
trunk will operate and you can open
the trunk as usual. Take the key out
from the trunk. ( P.116)
 Did you press the engine switch
while firmly
depressing the brake pedal?
( P.152, 156)
 Is the shift position in P? ( P.162,
169)
 Is the electronic key anywhere
detectable inside the vehicle?
( P.118)
 Is the steering wheel unlocked?
( P.153, 157)
 Is the electronic key battery weak or
depleted?
In this case, the engine can
be started in a temporary way. ( P.368)
 Is the 12-volt battery discharged?
( P.369)
If you have a problem, check the
following before contacting your
Lexus dealer.
The doors cannot be locked,
unlocked, opened or closed
You lose your keys
The doors cannot be locked or
unlocked
The trunk lid is closed with the
electronic key left inside
If you think something is wrong
The engine does
not start