Lexus LX570 (2021 year). Manual in english — page 7

Move the inside lock button to the lock position.
Close the door.

The door cannot be locked if the engine switch is in ACCESSORY or IGNI-
TION ON mode, or the electronic key is left inside the vehicle.

Depending on the position of the electronic key, the key may not be detected cor-

rectly and the door may be locked.

The door cannot be opened from inside
the vehicle when the lock is set.

Unlock
Lock

These locks can be set to prevent chil-

dren from opening the rear doors. Push

down on each rear door switch to lock

both rear doors.

Locking the driver’s door from the outside without a key

Rear door child-protector lock

125

The following functions can be set or canceled:

For instructions on customizing, refer to P. 584.

Automatic door locking and unlocking systems

Function

Operation

Shift position linked door lock-

ing function

Shifting the shift lever out of P locks all the doors.

Shift position linked door

unlocking function

Shifting the shift lever to P unlocks all the doors.

Speed linked door locking

function

All the doors are locked when the vehicle speed is

approximately 12 mph (20 km/h) or higher.

Driver’s door linked door

unlocking function

All the doors are unlocked when the driver’s door is

opened within 45 seconds after turning the engine

switch off.

126

■

Changing the door unlock function setting

It is possible to set which doors the entry function unlocks using the wireless remote con-

trol.

Turn the engine switch off.
When the indicator light on the key surface is not on, press and hold

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 .)

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 automatically be set.)

In a case that the alarm is triggered, immediately stop the alarm. (



P. 82)

Multi-information

display

Unlocking function

Beep

Holding the driver’s door handle

unlocks only the driver’s door.

Exterior: Beeps 3 times

Interior: Pings once

Holding a passenger’s door han-

dle unlocks all the doors.

Holding a door handle unlocks

all the doors.

Exterior: Beeps twice

Interior: Pings once

127

■

Impact detection door lock release system

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.

■

Using the mechanical key

The doors can also be locked and unlocked with the mechanical key. (



P. 550)

■

Conditions affecting the operation of the smart access system with push-button start

or wireless remote control

P. 140

■

Customization

Settings (e.g. unlocking function using a key) can be changed.

(Customizable features:



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, 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 child-protector locks when children are seated in the rear seats.

128

Back door

◆

Smart access system with push-button start

Carry the electronic key to enable this function.

Locks all the doors

Check that the door is securely

locked.

Unlocks all the doors

The doors cannot be unlocked for 3

seconds after the doors are locked.

◆

Wireless remote control



P. 121

◆

Door lock switches



P. 123

Press and hold the switch.

The power back door can be operated

even when the back door is locked.

: This setting can be customized so

that the power back door can be
operated only when the back door is
unlocked. (

The back door can be locked/unlocked and opened by the following proce-
dures.

Locking and unlocking the back door

Opening/closing the back door with the wireless remote control

129

Press and hold the power back door
switch to open/close the back door.

Pressing the switch again while the

power back door is operating will cause

the operation to reverse.

Open the upper back door
When the power back door is
unlocked: Press the back door
opener switch.
When the power back door is
locked: While carrying an elec-
tronic key, press and hold the back
door opener switch.

The upper back door will automatically

open.

: Using the customization function, the upper back door can be set to not automatically

open, even when the back door opener switch is pressed. (



When the automatic open function is disabled, the upper back door can be opened
by lifting it up with the back door opener switch pressed and held.

Open the lower back door
Pull the handle.

The lower back door will open.

Opening/closing the back door from the inside

Opening the back door from the outside

130

Pressing the switch closes the upper
back door automatically. (A buzzer
sounds.)

Pressing the switch while the upper

back door is closing opens it again.

Turn the main switch off to disable the
power back door system.

Off

The back door cannot be operated even

with the wireless remote control or

power back door switch.

Orange mark on the switch should be

visible when the switch is on.

●

Make sure that the lower back door
is closed before closing the upper
back door.

●

Lower the back door using the back
door handle, and make sure to push
the back door down from the out-
side to close it.

Power back door switch

Canceling the power back door system

When closing the back door

131

The rear step bumper is for rear end
protection and easier step-up loading.

■

Power back door operating conditions

When the engine switch is off or in accessory mode, the power back door can be

opened and closed if the power back door main switch is on and all of the following con-

ditions are met.

●

The lower back door is closed (only when closing)

When the engine switch is in IGNITION ON mode, the power back door can be

opened and closed if the power back door main switch is on and all of the following con-

ditions are met.

●

The lower back door is closed (only when closing)

●

The vehicle speed is below 1 mph (3 km/h) and the shift lever is in P

: If the lower back door is opened while the upper back door is in a closing operation,

it automatically opens again.

: The back door cannot be operated using the wireless remote control.

■

If the back door opener is inoperative

The back door can be operated from the inside.

Rear step bumper

Remove the cover on the back door trim.

Use a cloth to prevent scratches.

Push the lever for the back door motor,

open the back door.

132

■

Jam protection function

If anything obstructs the power back door while it is closing/opening, the back door will

automatically operate in the opposite direction.

■

When re-connecting the battery

To enable the power back door to operate properly, perform the following:

●

Unlock the back door using the door lock switch

●

Close the back door manually

■

Back door closer

In the event that the upper and lower back doors are left slightly open, the back door

closer will automatically close them to the fully closed position.

■

Fall-down protection function

While the power back door is opening automatically, applying excessive force to it will

stop the opening operation to prevent the power back door from rapidly falling down.

■

Back door reserve lock function

This function is a function which reserves locking of all doors, beforehand, when the back

door is open. When the following procedure is performed, all the doors except the back

door are locked and then back door will also be locked at the same time it is closed.

Close all doors, except the back door.
Perform any of the following during the automatic closing operation of the back door.
• Press the lock button on the wireless remote control. (

P. 116)

• Touch the lock sensor on the side door handle with carrying the electronic key on

your person. (

P. 121)

Also, if the back door does not fully close due to the operation of the jam protection

function, etc., while the back door is automatically closing after a reserve lock opera-

tion is performed, the reserve lock function is canceled and all the doors will unlock.

■

Customization

Settings (e.g. switch operation) can be changed.

(Customizable features



133

WARNING

■

While driving

●

Keep the back door closed while driving.

If the back door is left open, it may hit near-by objects while driving or luggage may

be unexpectedly thrown out, causing an accident.

In addition, exhaust gases may enter the vehicle, causing death or a serious health

hazard. Make sure to close the back door before driving.

●

Before driving the vehicle, make sure that the back door is fully closed. If the back

door is not fully closed, it may open unexpectedly while driving, causing an accident.

●

Never let anyone sit in the luggage compartment. In the event of sudden braking,

sudden swerving or a collision, they are susceptible to death or serious injury.

■

When children are in the vehicle

Observe the following precautions.

Failure to do so may result in death or serious injury.

●

Do not allow children to play in the luggage compartment.

If a child is accidentally locked in the luggage compartment, they could have heat

exhaustion or other injuries.

●

Do not allow a child to open or close the back door.

Doing so may cause the back door to move unexpectedly, or cause the child’s hands,

head, or neck to be caught by the closing back door.

134

WARNING

■

Operating the back door

Observe the following precautions.

Failure to do so may cause parts of the body to be caught, resulting in death or serious

injury.

●

Remove any heavy loads, such as snow and ice, from the back door before opening it.

Failure to do so may cause the back door suddenly shut again after it is opened.

●

When opening or closing the back door, thoroughly check to make sure the sur-

rounding area is safe.

●

If anyone is in the vicinity, make sure they are safe and let them know that the back

door is about to open or close.

●

Use caution when opening or closing the back door in windy weather as it may move

abruptly in strong wind.

●

Do not pull on the back door damper stay to close the back door, and do not hang on

the back door damper stay.

Doing so may cause hands to be caught or the back door damper stay to break, caus-

ing an accident.

●

If a bicycle carrier or similar heavy object is attached to the back door, it may sud-

denly shut again after being opened, causing someone’s hands, head or neck to be

caught and injured. When installing an accessory part to the back door, using a genu-

ine Lexus part is recommended.

●

The back door may suddenly shut if it is not

opened fully. It is more difficult to open or

close the back door on an incline than on a

level surface, so beware of the back door

unexpectedly opening or closing by itself.

Make sure that the back door is fully open and

secure before using the luggage compart-

ment.

●

When closing the back door, take extra care

to prevent your fingers etc. from being

caught. Also pay attention to your personal

belongings such as bags and ties.

●

When closing the back door, make sure to

press it lightly on its outer surface. If the back

door handle is used to fully close the back

door, it may result in hands or arms being

caught.

135

WARNING

■

Back door closer

●

Use caution when using the back door closer as it still operates when the power back

door system is canceled.

●

In the event that the upper or lower back door

is left slightly open, the back door closer will

automatically close it to the fully closed posi-

tion. It takes several seconds before the back

door closer begins to operate. Be careful not

to catch fingers or anything else in the back

door, as this may cause bone fractures or

other serious injuries.

136

WARNING

■

Power back door

Observe the following precautions when operating the power back door.

Failure to do so may cause death or serious injury.

●

Check the safety of the surrounding area to make sure there are no obstacles or any-

thing that could cause any of your belongings to get caught.

●

If anyone is in the vicinity, make sure they are safe and let them know that the back

door is about to open or close.

●

If the power back door system is turned off with the main switch while the back door is

operating automatically, the automatic operation is stopped. The back door then has

to be operated manually. Take extra care when on an incline, as the back door may

open or close unexpectedly.

●

When the back door opener switch is pressed a second time during an automatic

open operation that was performed by pressing the back door opener switch, the

operation stops and the back door has to be operated manually. At this time, take

extra care, as the back door may open or close abruptly.

●

If the operating conditions of the power back door are no longer met, a buzzer may sound

and the back door may stop opening or closing. The back door then has to be operated

manually. Take extra care when on an incline, as the back door may open or close abruptly.

●

On an incline, the back door may suddenly shut after it opens. Make sure the back

door is fully open and secure.

●

In the following situations, the power back door may detect an abnormality and auto-

matic operation may be stopped. In this case, the back door has to be operated man-

ually. Take extra care when on an incline, as the back door may open or close abruptly.
• When the back door contacts an obstacle

• When the battery voltage suddenly drops, such as when the engine switch is turned to

IGNITION ON mode or the engine is started during automatic operation

●

If a bicycle carrier or similar heavy object is attached to the back door, the power back door

may not operate, causing itself to malfunction, or the back door may suddenly shut again

after being opened, causing someone’s hands, head or neck to be caught and injured. When

installing an accessory part to the back door, using a genuine Lexus part is recommended.

■

Jam protection function

Observe the following precautions.

Failure to do so may cause death or serious injury.

●

Never use any part of your body to intentionally activate the jam protection function.

●

The jam protection function may not work if something gets caught just before the

back door fully closes. Be careful not to catch fingers or anything else.

●

The jam protection function may not work depending on the shape of the object that

is caught. Be careful not to catch fingers or anything else.

137

NOTICE

■

Back door damper stays

The back door is equipped with damper stays that hold the back door in place.

Observe the following precautions.

Failure to do so may cause damage to the back door damper stay, resulting in malfunc-

tion.

■

To prevent back door closer malfunction

Do not apply excessive force to the back door while the back door closer is operating.

■

To prevent damage to the power back door

●

Make sure that there is no ice between the back door and frame that would prevent

movement of the back door. Operating the power back door when excessive load is

present on the back door may cause a malfunction.

●

Do not apply excessive force to the back door while the power back door is operat-

ing.

●

Take care not to damage the sensors (installed on the right and left edges of the

power back door) with a knife or other sharp object. If the sensor is disconnected, the

power back door will not operate in automatic operation.

■

When operating the back door reserve lock function

Make sure to carry the electronic key on your person.
If the electronic key is returned inside the vehicle during the closing operation, it may

be locked even if the electronic key is inside the vehicle depending on the location of

electronic key.
Before leaving the vehicle, make sure that all the doors are closed and locked.

●

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 back door.

●

Do not place your hand on the damper stay or

apply lateral forces to it.

Damper stay

138

Smart access system with push-button start

●

Locks and unlocks the side doors (

P. 121)

●

Locks and unlocks the back door (

P. 128)

●

Starts the engine (



P. 211)

■

Antenna location

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.

Antennas outside the cabin
Antennas inside the cabin
Antenna outside the luggage compartment

2
3

139