Lexus NX450H+ (2022 year). Manual in english - page 6

Entering/exiting the vehicle and loading luggage

Key types

The following keys are provided with the vehicle.

 

A

Electronic keys

●

Operating the smart access system with
push-button start

●

Operating the wireless remote control
function

B

Mechanical keys

C

Key number plate

D

Card key (electronic key)

*

Operating the smart access system with push-
button start

NOTICE

■

To prevent key damage

Observe the following precautions

●

Do not drop the keys, subject them to strong shocks or bend them.

●

Do not expose the keys to high temperatures 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 disassemble 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-frequen-
cy 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 appliances within 3.9 in. (10 cm) of the
electronic key may interfere with the key, causing the key to not function properly.

■

Handling 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

* : 

If equipped

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NOTICE

remove the battery cover, 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 battery, 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.

INFORMATION

■

Handling the card key

●

The mechanical key that is stored inside the card key should be used only if a problem
arises, such as when the card key does not operate properly.

●

If the battery cover is not installed and the battery
falls out or if the battery was removed because the
key got wet, reinstall the battery with the positive
terminal facing the Lexus emblem.

●

The card key is not waterproof.

■

When riding in an aircraft

When bringing an electronic key onto an aircraft, make sure you do not press any buttons
on the electronic key while inside the aircraft cabin. If you are carrying an electronic key
in your bag, etc., ensure that the buttons are not likely to be pressed accidentally. Pressing
a button may cause the electronic key to emit radio waves that could interfere with the
operation of the aircraft.

■

Electronic key battery depletion

●

The standard battery life is 1 to 2 years (The card key battery life is about 1 year.).

●

If the battery becomes low, an alarm will sound in the cabin when the hybrid system
stops.

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●

As the electronic key always receives radio waves, the battery will become depleted
even if the electronic key is not used. The following symptoms indicate that the
electronic key battery may be depleted. Replace the battery when necessary.

•

The smart access system with push-button start or the wireless remote control does
not operate.

•

The detection area becomes smaller.

•

The LED indicator on the key surface does not turn on.

●

To avoid serious deterioration, do not leave the electronic key within 3 ft. (1 m) of the
following electrical appliances that produce a magnetic field:

•

TVs

•

Personal computers

•

Cellular phones, cordless phones and battery chargers

•

Table lamps

•

Induction cookers

•

Table lamps

■

Battery-saving function

The battery-saving function will be activated in order to prevent the electronic key
battery and the 12-volt battery from being discharged while the vehicle is not in operation
for a long time.

●

In the following situations, the smart access system with push-button start may take
some time to unlock the doors.

•

The electronic key has been left in an area of approximately 11 ft. (3.5 m) of the
outside of the vehicle for 2 minutes or longer.

•

The smart access system with push-button start has not been used for 5 days or
longer.

●

If the smart access system with push-button 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 handle, or use the wireless remote control or the
mechanical key, to unlock the doors.

■

Electronic key battery-saving mode

When battery-saving mode is set, battery depletion is minimized by stopping the elec-
tronic key from receiving radio waves.

While pressing and holding 

 on the electronic key, press 

 twice. The indicator on

the electronic key will flash 4 times and battery-saving mode will be entered.

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The smart access system with push-button start cannot be used while the electronic key
is in battery-saving mode. Battery saving mode can be cancelled by pressing any switch
on the electronic key.

■

Confirmation of the registered key number

The number of keys already registered to the vehicle can be confirmed. Ask your Lexus
dealer for details.

■

When required to leave the vehicle’s key with a parking attendant

Lock the glove box as circumstances demand. Remove the mechanical key for your own
use and provide the attendant with the electronic key only.

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Smart access system with push-button start

WARNING

■

Affects influenced by the radio wave (Affect from the Smart access system with
push-button start antennas)

●

People with implantable cardiac pacemakers, cardiac resynchronization therapy-
pacemakers or implantable cardioverter defibrillators should keep away from the
smart access system with push-button start antennas. The radio waves may affect the
operation of such devices. If necessary, the entry function can be disabled. Ask your
Lexus dealer for details, such as the frequency of radio waves and timing of the emitted
radio waves. Then, consult your doctor to see if you should disable the entry function.

●

Users of any electrical medical device other than implantable cardiac pacemakers,
cardiac resynchronization therapy-pacemakers or implantable cardioverter defibrilla-
tors should consult the manufacturer of the device for information about its operation
under the influence of radio waves. Radio waves could have unexpected effects on the
operation of such medical devices.

Ask your Lexus dealer for details on disabling the entry function.

INFORMATION

■

Antenna location

 

A

Antennas outside the cabin

B

Antennas inside the cabin

C

Antenna outside the luggage compart-
ment

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■

Effective range (areas within which the electronic key is detected)

 

A

When locking or unlocking the doors

The system can be operated when the elec-
tronic key is within about 2.3 ft. (0.7 m) of an
outside door handle. (Only the doors detecting
the key can be operated.)

B

When starting the hybrid system or chang-
ing power switch modes

The system can be operated when the elec-
tronic key is inside the vehicle.

■

If an alarm sounds or a warning message is displayed

A combination of exterior and interior alarms as well as warning messages shown on
the multi-information display are used to prevent theft of the vehicle and accidents result-
ing from erroneous operation. Take appropriate measures in response to any warning
message on the multi-information display.
The following table describes situations and correction procedures when only an alarm
sounds.

●

When an exterior alarm sounds once for 5 seconds
Situation: An attempt was made to lock the vehicle while a door was open.
Correction procedure: Close all of the doors and lock the doors again.

●

When an interior alarm pings repeatedly
Situation: The power switch was turned to ACC while the driver’s door was open (The
driver’s door was opened when the power switch was in ACC).
Correction procedure: Turn the power switch off and close the driver’s door.

■

Conditions affecting operation

The smart access system with push-button start, wireless remote control and immobilizer
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, wireless remote control and immobilizer system from operating
properly.

●

When the electronic key battery is depleted

●

Near a TV tower, electric power plant, gas station, radio station, large display, airport
or other facility that generates strong radio waves or electrical noise

●

When the electronic key is in contact with, or is covered by the following metallic
objects

•

Cards to which aluminum foil is attached

•

Cigarette boxes that have aluminum foil inside

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•

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, cellular phone, cordless phone or other wireless communication
devices

•

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

●

When the vehicle is parked in a pay parking spot where radio waves are emitted

Even when the electronic key is within the effective range (detection areas), the system
may not operate properly in the following cases:

●

The electronic key is too close to the window or outside door handle, near the ground,
or in a high place when the doors are locked or unlocked.

●

The electronic key is near the ground or in a high place, or too close to the rear
bumper center when the back door 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 hybrid system is started or engine switch modes are
changed.

■

Note for the entry function

●

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 door will become
lockable from the outside, possibly trapping the electronic key inside the vehicle.

●

As long as the electronic key is within the effective range, the doors may be locked or
unlocked by anyone.

●

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.

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●

The doors may unlock if a large amount of water splashes on the door handle, such as
in the rain or in a car wash when the electronic key is within the effective range. (The
door will automatically be locked after approximately 60 seconds if the doors 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.)

●

Touching the door lock sensor while wearing gloves may delay or prevent lock
operation. Remove the gloves and touch the lock sensor again.

●

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 that case, follow the following 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.

●

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 all the doors.

●

The lock sensor may not work properly if it comes into contact with ice, snow, mud.
Clean the lock sensor and attempt to operate it again.

●

A sudden approach to the effective range or door handle may prevent the doors from
being unlocked. In this case, return the door handle to the original position and check
that the doors unlock before pulling the door handle again.

●

If there is another electronic key in the detection area, it may take slightly longer to
unlock the doors after the door handle is gripped.

■

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-button start can be deactivated in advance.

●

Setting the electronic key to battery-saving mode helps to reduce key battery deple-
tion.

■

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 outside of the
vehicle.

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Depending on the position and holding condition of the electronic 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 may not operate.)

 Related Links 

Customizable features(P. 763)

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Digital Key

*

A smartphone can be used instead of the electronic key of the vehicle by installing
the dedicated Digital Key App on a smartphone. Also, Digital Key can be shared
with your family or friends using the Digital Key App.

INFORMATION

■

Free/open source software information

This product contains Free/open source software (FOSS).
License information and/or the source code of this FOSS can be obtained at the
following URL:

https://www.denso.com/global/en/opensource/dkey/toyota/

Digital key usage conditions

In order to use the Digital Key, you need to install the Lexus App, Register the
Vehicle to the customer's Lexus App profile, and subscribe to Remote Services,
and enroll in Digital Key

Digital key precautions

●

A Digital Key can be used when the smartphone and server can communicate.
The Digital Key may become unusable if the smartphone is not connected to
the Internet. Be sure to carry the electronic key of the vehicle if traveling to a
location with unreliable communications.

●

If the smartphone battery is depleted, the smartphone cannot be used as Digital
Key. If the battery level is low, be sure to charge the smartphone prior to going
out.

●

The Digital Key system is related to the smart access system with push-button
start. If the smart access system with push-button start has been deactivated in
the vehicle customization setting, the Digital Key will also be disabled.

●

Depending on the radio wave environment, the Digital Key may not be able to
be used.

→

 P.108

●

When transferring vehicle ownership, make sure to delete the Digital Keys.

●

If the vehicle is not operated for 14 days or more, the Digital Key will not connect
automatically. Therefore, it may take some time before the system operates after
a door handle is touched.

* : 

If equipped

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●

A part of the services may be stopped for a certain period of time due to
server maintenance. However, registered Digital Keys can be used during the
maintenance.

●

A smartphone with the Digital Key App enabled will be able to lock and
unlock the doors, start the hybrid system and perform any other operations as
same as the electronic key of the vehicle. Be especially careful not to lose the
smartphone or allow it to be stolen.
If the smartphone is lost or stolen, contact your Lexus dealer immediately.

●

When taking your vehicle to a Lexus dealer for an inspection or repairs, make
sure to bring an electronic key.

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Opening/closing the doors

WARNING

■

Precautions for when driving

Observe the following precautions while driving.

●

Make sure that all of the doors are closed and locked.

●

Do not press an inside door opener switch while driving.
Be especially careful with the driver’s door, as it can be opened even when the doors
are locked.

●

When a child is riding in a rear seat, set the child protector locks to prevent the rear
doors from being opened from inside the vehicle.

■

Precautions for when opening or closing a door

When opening or closing a door, check the surrounding area and hold the door handle
tightly.

●

When on a slope

●

When the space between a door and a wall, etc. is small

●

When in an area with strong winds

INFORMATION

■

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 continuously for 5 seconds. Fully close the door to stop the
buzzer, and lock the doors again.

■

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
hood is displayed on the multi-information display.

■

Rear seat reminder function

In order to remind you not to forget luggage, etc. in the rear seat, when the power switch
is turned off after any of the following conditions are met, a buzzer will sound and a
message will be displayed on the multi-information display for approximately 6 seconds.

●

The hybrid system is started within 10 minutes after opening and closing a rear door.

●

A rear door has been opened and closed after the hybrid system was started.
However, if a rear door is opened and then closed within approximately 2 seconds, the
rear seat reminder function may not operate.

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The rear seat reminder function determines that luggage, etc. has been placed in a
rear seat based on opening and closing of a rear door. Therefore, depending on the
situation, the rear seat reminder function may not operate and you may still forget
luggage, etc. in the rear seat, or it may operate unnecessarily.

●

The rear seat reminder function can be enabled/disabled.

 Related Links 

Key types(P. 104)
Locking/unlocking the doors(P. 119)
Using the mechanical key(P. 687)
If a door cannot be opened using the door opener switch(P. 692)
Customizable features(P. 763)

Opening the doors

▶ 

Outside the vehicle

When the doors are locked:

While carrying an electronic key, press the door opener switch 

 of the door handle and

open the door.

Make sure to securely press the door opener switch 

 on the inner side of the door

handle with the electronic key within the detection area.
When the doors are unlocked:

Press the door opener switch 

 of the door handle to open the door.

Make sure to securely press the door opener switch 

 on the inner side of the door

handle.

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▶ 

Inside the vehicle

Driver's door:

Even if the door is locked, pressing the front side of the door opener switch 

 will open

the door.
The door will unlock and the door lock indicator will turn off.
Passenger doors:
Press the door lock switch to unlock the door, and then pressing the front side of the door
opener switch 

 to open the door.

The door will unlock and the door lock indicator will turn off.

INFORMATION

■

Inside door opener switch operating conditions

When any of the following conditions are met:

●

The vehicle speed is less than 2 mph (4 km/h) and the parking brake is engaged

●

The vehicle speed is less than 2 mph (4 km/h) and the parking brake is engaged

●

The shift position is in P

■

When opening a door from inside the vehicle

Open the door pressing the door opener switch.
If the door is not fully unlatched, press the door opener switch twice to open the door.

■

Manual release handles inside the vehicle

The door opener switches inside the vehicle can also be used to manually open the
doors.

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A door can be opened through electronic operation by pressing a the door opener
switch, or it can be opened using the door opener switch as a manual release handle and
pulling it twice.

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Locking/unlocking the doors

INFORMATION

■

Impact detection door lock release system

If the vehicle is involved in a severe frontal or rear collision, manual release handle
operation will be enabled for all of the doors.

■

Operation signals

Unlocking is indicated by a buzzer sounding and the emergency flashers flashing. (twice)
Locking is indicated by a buzzer sounding and the emergency flashers flashing. (Once)

■

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.

Using the smart access system with push-button start

Locking/unlocking the doors using smart access system with push-button
start

The driver should always carry an electronic key (or the card key) on their person,
for example in their pocket.

 

1

Grip the driver’s door handle to unlock the
door. Holding the driver’s door handle for
approximately 2 seconds unlocks all the
doors. Grip any passenger door handle to
unlock all the doors.

*1

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.

2

Touch the lock sensor (the indentation on
the surface of the door handle) to lock the
doors.

Check that the door is securely locked.
Locking the doors will set the alarm system.

*1 : 

The door unlock settings can be changed.

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