2022 LEXUS RX450h key

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 d oors 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 switch while the power
back door is closing will 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 closin g, 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 al l 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 oper ation 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 one 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

1183-2. Opening, closing and locking the doors
●When an electronic key is carried within
the operation range.
■Hands free close & lock function oper-
ating conditions (vehicles with Hands
Free Power Back Door)
This function can be operated when all of
the following conditions are met:
• The hands free close & lock function set- ting is on.
• The Hands Free Powe r Back Door oper-
ating conditions are met.
• An electronic key is not detected within the vehicle.
• All of the doors ot her than the power
back door are closed.
• The power switch is off.
■Back door closer
In the event that the po wer back door is left
slightly open, the back door closer will auto-
matically close it to the fully closed position.
●The back door closer can function when
the power switch is in any mode.
●The power back door can be opened
using the back door opener switch even if
the back door closer is operating.
■Operation of the power back door
●When the power back door begins to
operate, the emergency flashers will flash
and a buzzer will sound.
●When the power back door is disabled,
the power back door will not operate but
can be opened and closed manually.
●The power back door turns to manual
operation when the back door opener
switch is pressed while the power back
door is in an automatic opening/closing
operation.
●If anything obstructs the power back
door while opening, a buzzer will sound
and the power back door will stop imme-
diately. If anything obstructs the power
back door while closing, a buzzer will
sound and the power back door will auto-
matically move slightly in the opposite
direction and then stop.
■Back door reserve lock function
This function reserves the locking of the
power back door when the power back
door is open. If the following operations are
performed, all of the doors except the
power back door will lock and then the
power back door will lock when it is com-
pletely closed.
1 Close all of the doors, except the power
back door.
2 Perform an automatic closing operation
of the power back door and lock the
doors using the wire less remote control
(  P.107) or smart access system with
push-button start ( P.109) while the
power back door is closing.
Also, if the back door does not fully close
due to the operation of the jam protection
function, etc., while th e back door is auto-
matically closing after a reserve lock opera-
tion is performed, the reserve lock function
is canceled and all the doors will unlock.
■Situations in which the close & lock
function may not operate properly
In the following situations, the close & lock
function may not operate properly:
●If the switch on th e lower part of the
power back door ( P.115) is pressed by
a hand which is holding an electronic key
●If the switch on th e lower part of the
power back door ( P.115) is pressed
when the electronic key is in a bag, etc.
that is placed on the ground
●If the switch on th e lower part of the
power back door ( P.115) is pressed
with the electronic key not near the vehi-
cle.
■Situations in which the Hands Free
Power Back Door may not operate
properly (if equipped)
In the following situations, the Hands Free
Power Back Door may not operate prop-
erly:
●When a foot remain s under the rear
bumper
●If the rear bumper is strongly hit with a
foot or is touched for a while

1193-2. Opening, closing and locking the doors
3
Before driving
If the rear bumper has been touched for a
while, wait for a short time before
attempting to operate the Hands Free
Power Back Door again.
●When standing excessively close to the
rear bumper
●When an external radio wave source
interferes with the communication
between the electronic key and the vehi-
cle (P.126)
●When the vehicle is parked near metal, or
an external radio wave or electrical noise
source which affects the sensitivity of the
Hands Free Power Back Door, such as a
pay parking spot, gas station, electrically
heated road, fluorescent light, or metal
plate
●When the vehicle is near a TV tower,
electric power plant, radio station, large
display, airport or ot her facility that gen-
erates strong radio waves or electrical
noise
●When a large amount of water is applied
to the rear bumper, such as when the
vehicle is being washed or in heavy rain
●When mud, snow, ice, etc. is attached to
the rear bumper
●When the vehicle has been parked for a
while near objects that may move and
contact the rear bumper, such as plants
●When an accessory is installed to the rear
bumper
If an accessory has been installed, turn the
Hands Free Power Back Door (kick sen-
sor) operation setting off.
●RX450hL: When a ti re other than the
spare tire is stored in the spare tire stor-
age area
■Preventing unintentional operation of
the Hands Free Power Back Door (if
equipped)
When an electronic key is in the operation
detection area, the Ha nds Free Power Back
Door may operate unintentionally, so be
careful in the following situations:
●When a large amount of water is applied
to the rear bumper, such as when the
vehicle is being washed or in heavy rain
●When dirt is wiped off the rear bumper
●When a small animal or small object, such
as a ball, moves under the rear bumper
●When an object is moved from under the
rear bumper
●If someone is swinging their legs while sit-
ting on the rear bumper
●If the legs or another part of someone’s
body contacts the rear bumper while
passing by the vehicle
●When the vehicle is parked near an elec-
trical noise source which affects the sen-
sitivity of the Hands Free Power Back
Door, such as a pay parking spot, gas sta-
tion, electrically heated road, or fluores-
cent light
●When the vehicle is near a TV tower,
electric power plant, radio station, large
display, airport or ot her facility that gen-
erates strong radio waves or electrical
noise
●When the vehicle is parked in a place
where objects such as plants are near the
rear bumper
●If luggage, etc. is set near the rear
bumper
●If accessories or a vehicle cover is
installed/removed ne ar the rear bumper
●When the vehicle is being towed
To prevent unintentiona l operation, turn the
Hands Free Power Back Door (kick sensor)
operation setting off.
■When reconnecting the 12-volt battery
To enable the power back door to operate
properly, close the power back door manu-
ally.
■Jam protection function
Sensors are installed in the right and left
sides of the power back door. When the
door is automatically closing and the sen-
sors are pushed due to an object being
caught, etc., the jam protection function will
operate.
From that position the door will automati-
cally move a little in the opposite direction
and then the function will stop.

1253-2. Opening, closing and locking the doors
3
Before driving
■Antenna location
Antennas outside the cabin
Antennas inside the cabin
Antenna outside the luggage compart-
ment
■Effective range (areas within which the
electronic key is detected) When locking or unlocking the doors
The system can be operated when the
electronic key is within about 2.3 ft. (0.7 m)
of an outside door ha ndle. (Only the doors
detecting the key can be operated.)
When starting the hybrid system or
changing power switch modes
The system can be operated when the
electronic key is inside the vehicle.
■Alarms and warning messages
An alarm sounds and warning messages
are displayed on the multi-information dis-
play to protect against unexpected acci-
dents or theft of the vehicle resulting from
erroneous operation. When a warning mes-
sage is displayed, take appropriate mea-
sures based on the displayed message.
( P.420)
When only an alarm sounds, circumstances
and correction procedures are as follows.
●When an exterior alarm sounds once for
5 seconds
●When an interior alarm sounds continu-
ously
Smart access system with
push-button start
The following operations can be
performed simply by carrying the
electronic key on your person, for
example in your pocket. The driver
should always carry the electronic
key.
 Locks and unlocks the doors
( P.109)
 Locks and unlocks the back door
( P.114)
 Starts and stops the hybrid system
( P.182)
A
B
C
SituationCorrection
procedure
An attempt was made to
lock the vehicle while a
door was open.Close all of the
doors and lock
the doors
again.
A
B

1263-2. Opening, closing and locking the doors
■If “Key Left inside Vehicle” is shown on
the multi-information display
An attempt was made to lock the doors
using the smart access system with
push-button start while the electronic key
was still inside the vehicle. Retrieve the elec-
tronic key from the vehicle and lock the
doors 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 in an
area of 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
any doors except the driver’s door. In this
case, take hold of the driver’s door han-
dle, or use the wirele ss remote control or
the mechanical key, to unlock the doors.
■Turning an electronic key to bat-
tery-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 electronic key indica-
tor 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 affecting operation
The smart access system with push-button
start, wireless remote control and immobi-
lizer system use weak radio waves. In the
following situations, the communication
between the electronic key and the vehicle
may be affected, preventing the smart
access system with push-button start, wire-
less remote control and immobilizer system
from operating properly. (Ways of coping:
P.439)
●When the electronic key battery is
depleted
●Near a TV tower, electric power plant,
gas station, radio station, large display,
airport or other fac ility that generates
strong radio waves or electrical noise
●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
• Portable radio, cell ular phone, cordless
phone or other wireless communication
SituationCorrection
procedure
The power switch was
turned to ACCESSORY
mode while the driver’s
door was open (The
driver’s door was opened
when the power switch
was in ACCESSORY
mode).
Turn the power
switch off and
close the
driver’s door.