key LEXUS RX450h 2021 User Guide

1073-1. Key information
3
Before driving
The electronic keys are equipped with
the following wireless remote control:Locks all the doors (
P.109)
Unlocks all the doors ( P.109)
Opens the windows
*2 and the
moon roof
*1, 2 or panoramic moon
roof
*1, 2 (  P.109)
Opens and closes the power back
door ( P.114)
Sounds the alarm
*1: If equipped
*2: These settings 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
NOTICE
■To prevent key damage
●Do not drop the keys, subject them to
strong shocks or bend them.
●Do not expose the keys to high tem-
peratures for long periods of time.
●Do not get the keys wet or wash them
in an ultrasonic washer, etc.
●Do not attach metallic or magnetic
materials to the keys or place the keys
close to such materials.
●Do not disassemb le the keys.
●Do not attach a sticker or anything else
to the surface of the electronic key.
●Do not place the keys near objects that
produce magnetic fields, such as TVs,
audio systems and induction cookers,
or medical electrical equipment, such
as low-frequency therapy equipment.
■Carrying the electronic key on your
person
Carry the electronic key 3.9 in. (10 cm)
or more away from electric appliances
that are turned on. Radio waves emitted
from electric applianc es within 3.9 in. (10
cm) of the electronic key may interfere
with the key, causing the key to not func-
tion properly.
■In case of a smart access system with
push-button start malfunction or
other key-related problems
 P.447
■When an electronic key is lost
 P.446
Wireless remote control
Using the mechanical key
A
B
C
D
E

1083-1. Key information
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
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.447)
■When required to leave the vehicle’s
key with a parking attendant
Lock the glove box as circumstances
demand. ( P.326)
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.446
■If a wrong key is used
The key cylinder rotates freely, isolated
from the internal mechanism.

1093-2. Opening, closing and locking the doors
3
Before driving
3-2.Opening, closing and locking the doors
■Smart access system with
push-button start
Carry the electronic key to enable this
function.
1 Grip the driver’s door handle to
unlock the door. Grip any passen-
ger door handle to unlock all the
doors.
*
Make sure to touch the sensor on the back
of the handle.
The doors cannot be unlocked for 3 sec-
onds after the doors are locked.
*: The door unlock settings can be
changed.
2 Touch the lock sensor (indentation
on the surface of the door handle)
to lock all the doors.
Check that the door is securely locked.
■Wireless remote control
1 Locks all the doors
Check that the door is securely locked.
2Unlocks all the doors
Pressing the button unlocks the driver’s
door. Pressing the button again within 3
seconds unlocks the other doors.
Press and hold to open the windows
*2 and
the moon roof
*1, 2 or panoramic moon
roof
*1, 2
*1
: If equipped
*2: This setting must be customized at your
Lexus dealer.
■Switching the door unlock function
It is possible to set which doors the entry
function unlocks using the wireless remote
control.
1 Turn the power switch off.
2 When the indicator light on the key sur-
face is not on, press and hold ,
or for approxi-
mately 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 .)
Side doors
The vehicle can be locked and
unlocked using the entry function,
wireless remote control or door
lock switches.
Unlocking and locking the doors
from the outside

1103-2. Opening, closing and locking the doors
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.75)
■Impact detection door lock release sys-
tem
In the event that the vehicle is subject to a
strong impact, all the doors are unlocked.
Depending on the force of the impact or the
type of accident, however, the system may
not operate.
■Operation signals
Doors:
A buzzer sounds and the emergency flash-
ers flash to indicate that the doors have
been locked/unlocked. (Locked: Once;
Unlocked: Twice)
Windows and moon roof or panoramic
moon roof:
A buzzer sounds.
■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.
■When the door cannot be locked by the
lock sensor on the surface of the door
handle
When the door cannot be locked even if the
lock sensor on the surface of the door han-
dle is touched by a finger, touch the lock
sensor with the palm.
When gloves are being worn, remove the
gloves.
■Door lock buzzer
If an attempt to lock the doors using the
smart key system is made when a door is
not fully closed, a buzzer will sound continu-
ously for 5 seconds. Fully close the door to
stop the buzzer, and lock the doors again.
■Setting the alarm
Locking the doors will set the alarm system.
(  P.75)
■Conditions affecting the operation of
the smart access system with push-but-
ton start or wireless remote control
 P.126
■If the smart access system with
push-button start or the wireless remote
control does not operate properly
Use the mechanical key to lock and unlock
the doors. ( P.447)
Replace the key battery with a new one if it
is depleted. ( P.393)
■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 con-
trol. Lock or unlock the doors using the
Multi-information display/BeepUnlocking function
Exterior: Beeps 3 times
Interior: Pings once
Holding the driver’s
door handle unlocks
only the driver’s
door.
Holding any of the
passenger door
handles unlocks all
the doors.
Exterior: Beeps twice
Interior: Pings once
Holding a door han-
dle unlocks all the
doors.

1113-2. Opening, closing and locking the doors
3
Before driving
mechanical key. (P.447)
■Customization
Some functions can be customized.
(  P.480)
■Door lock switches (to
lock/unlock)
1 Locks all the doors
2 Unlocks all the doors
■Inside lock buttons (to lock)
Push down the inside lock button to
lock the door.
■Inside door handles (to unlock)
For the front doors
Pull the handle to unlock and open the
door.
When the door is unlo cked, the inside lock
button will pop up.
For the rear doors
Pull the handle to unlock the door. Pull
the handle a second time to open the
door.
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 falling out,
resulting in death or serious injury.
●Ensure that all doors are properly
closed and locked.
●Do not pull the inside handle of the
doors while driving.
Be especially careful for the front doors,
as the doors may be opened even if the
inside lock buttons are in locked position.
●Set the rear door ch ild-protector locks
when children are seated in the rear
seats.
■When opening or closing a door
Check the surroundings of the vehicle
such as whether the vehicle is on an
incline, whether ther e is enough space
for a door to open and whether a strong
wind is blowing. When opening or clos-
ing the door, hold the door handle tightly
to prepare for any unpredictable move-
ment.
Unlocking and locking the doors
from the inside

1123-2. Opening, closing and locking the doors
When the door is unlocked, the inside lock
button will pop up.
■Locking the doors from the outside with-
out a key
1 Push down the inside lock button.
2 Close the door.
The door cannot be locked if the power
switch is in ACCESSORY or ON mode, or
the electronic key is le ft inside the vehicle.
However, the key may not be detected cor-
rectly and the door may be locked.
■Open door warning buzzer
If the vehicle speed reaches 3 mph (5
km/h), the master warning light flashes and
a buzzer sounds to indicate that door(s) or
the hood in not fully closed.
The open door(s) or h ood is displayed on
the multi-information display.
The door cannot be opened from
inside the vehicle when the lock is set.
1 Unlock
2 Lock
These locks can be set to prevent children
from opening the rear doors. Push down
on each rear door switch to lock both rear
doors.
The following functions can be set or
canceled:
For instructions on customizing, refer to
P.480.
Rear door child-protector lock
Automatic door locking and
unlocking systems
FunctionOperation
Speed linked
door locking
function
All doors are automati-
cally locked when vehi-
cle speed is
approximately 12 mph
(20 km/h) or higher.
Shift position
linked door lock-
ing functionAll doors are automati-
cally locked when shift-
ing the shift lever out of
P.
Shift position
linked door
unlocking func-
tionAll doors are automati-
cally unlocked when
shifting the shift lever
to P.
Driver’s door
linked door
unlocking func-
tionAll doors are automati-
cally unlocked when
driver’s door is
opened.

1143-2. Opening, closing and locking the doors
■Smart access system with
push-button start
Carry the electronic key to enable this
function. 1
Locks all the doors
Check that the door is securely locked.
2Unlocks all the doors
The doors cannot be unlocked for 3 sec-
onds after the doors are locked.
■Wireless remote control
 P.107
■Door lock switch
 P.111
■Opening/closing the power back
door using the wireless remote
control
Press and hold the switch for approxi-
mately 1 second.
The power back door can be operated
whether it is locked
* or unlocked.
Pressing the switch while the power back
door is opening/closing will stop the oper-
ation.
Pressing and holding the switch again for
approximately 1 second will operate the
power back door in the opposite direction.
WARNING
●When closing the power back door,
take extra care to prevent your fingers,
etc., from being caught.
●When closing the power back door,
make sure to press it lightly on its outer
surface. If the back d oor handle is used
to fully close the power back door, it
may result in hands or arms being
caught.
●Do not pull on the back door spindle
(P.122) to close the power back
door, and do not hang on the back
door spindle.
Doing so may cause hands to be caught
or the back door spindle to break, caus-
ing an accident.
●If a bicycle carrier or similar heavy
object is attached to the power back
door, it may suddenly shut again after
being opened, causing someone’s
hands, arms, head or neck to be
caught and injured. When installing an
accessory part to the power back
door, using a genuine Lexus part is
recommended.
Unlocking and locking the
power back door from the out-
side
Unlocking and locking the
power back door from the inside
Opening/closing the power back
door

1153-2. Opening, closing and locking the doors
3
Before driving
*: Opening of the power back door when it is locked can be disabled by a custom-
ized setting.
■Opening/closing the power back
door from the inside
Press and hold the switch for approxi-
mately 1 second.
A buzzer will sound and the power back
door will automatically open or close.
However, if the power back door is locked,
it will not open.
Pressing the switch while the power back
door is opening/closing will stop the oper-
ation.
Pressing and holding the switch again for
approximately 1 second will operate the
power back door in the opposite direction.
■Back door opener switch
 Open
When the power back door is unlocked:
Press the back door opener switch.
When the power back door is locked: While carrying an electronic key, press and
hold the back door opener switch.
A buzzer will sound and the power back
door will automatically open.
Pressing the switch while the power back
door is opening/closing will stop the oper-
ation.

Close
Press the switch.
A buzzer will sound and the power back
door will automatically close.
Pressing the swit ch while the power
back door is closing w ill stop the operation.
Pressing the switch again will open the
power back door automatically.
 Close the back door and lock all
doors (close & lock function)
Press the switch.
The power back door will close and all of
the doors will be locked at the same time.
A different buzzer than the normal one will

1163-2. Opening, closing and locking the doors
sound and the power back door will begin
closing automatically. When the power
back door is closed, all of the doors will
lock simultaneously and operation signals
will indicate that all of the doors have been
locked.
If the switch is pr essed while the power
back door is closing, the operation will
stop.
Pressing the switch again will open the
power back door automatically.
■Closing the power back door using
the back door handle
Lower the power back door using the
back door handle, then a buzzer will
sound and the power back door will
automatically close.
■Hands Free Power Back Door (if
equipped)
1 While carrying an electronic key,
stand within the smart access sys-
tem with push-button start opera- tion range, approximately 19.7 to
23.6 in. (50 to 60 cm) from the
rear bumper.
Kick sensor
Hands Free Power Back Door
operation detection area
Smart access system with
push-button start operation detec-
tion area (
P.125)
2 Perform a kick operation by mov-
ing your foot to within approxi-
mately 3.9 in. (10 cm) of the rear
bumper and then pulling it back.
 Perform the entire kick operation
within 1 second.
 The Hands Free Power Back Door
will not start operating while a foot is
detected under the rear bumper.
 Operate the Hands Free Power
Back Door without contacting the
rear bumper with your foot.
 If another electronic key is in the
cabin or luggage compartment, it
may take slightly longer than normal
A
B
C

1173-2. Opening, closing and locking the doors
3
Before driving
for the operation to occur.Kick sensor
Hands Free Power Back Door
operation detection area
3 When the kick sensor detects that
your foot is pulled back, a buzzer
will sound and the power back door
will automatically fully open/close.
If kick operation is performed again in the
middle of back door operating, the opera-
tion will stop.
■Hands free close & lock function*
(vehicles with Hands Free Power
Back Door)
*: This setting can be customized by your
Lexus dealer.
If the power back door is closed using a
Hands Free Power Back Door close
operation, all of the doors will be
locked at the same time.
A different buzzer than the normal one will
sound before the power back door begins
to close. The door lock operation signals
will operate to indicate that the power back
door has closed and all of the doors have
locked simultaneously.
If a Hands Free Power Back Door opera-
tion is performed while the power back
door is operating, the power back door will
stop.
If a Hands Free Power Back Door opera- tion is performed again, the power back
door will open.
■Luggage compartment lights
●The luggage compartment lights turn on
when the back door is opened.
●When the power switch is turned off, the
lights will go off automatically after 20
minutes.
■Power back door operating conditions
If the following conditions are met with the
power back door operation enabled, the
power back door can be opened and
closed automatically.
●When an electronic key is being carried
and the back door opener switch is
pressed
*
●When the wireless remote control is
used*
●When the power switch is in ON mode,
the vehicle speed must be lower than 2
mph (3 km/h) and on e of the following
conditions must be me t in addition to the
above conditions:
• The parking brake is engaged.
• The brake pedal is depressed.
• The shift lever is in P.
*: When the operation of the power back
door when it is locked has been disabled
by a customized setting, operate the
power back door after it has been
unlocked.
■Close & lock function operating condi-
tions
This function can be operated when all of
the following conditions are met:
• An electronic key is not detected within the vehicle.
• All of the doors other than the power back door are closed.
• The power switch is off.
■Hands Free Power Back Door operating
conditions (if equipped)
●The Hands Free Power Back Door (kick
sensor) setting is on.
A
B