Lexus UX 300e (2022 year). Manual in english — page 2

1-2. Child safety

Points to remember: P.46
When using a child restraint system:
P.47
Child restraint system compatibility for
each seating position: P.50
Child restraint system installation
method: P.55
• Fixed with a seat belt: P.56
• Fixed with an ISOFIX lower anchor-

age: P.58

• Using a top tether anchorage: P.59



Prioritize and observe the warnings,
as well as the laws and regulations
for child restraint systems.



Use a child restraint system until the
child becomes large enough to
properly wear the vehicle’s seat
belt.



Choose a child restraint system
appropriate to the age and size of
the child.



Note that not all child restraint sys-
tems can fit in all vehicles.
Before using or purchasing a child
restraint system, check the compati-
bility of the child restraint system
with seat positions.

Child restraint systems

Before installing a child restraint
system in the vehicle, there are pre-
cautions that need to be observed,
different types of child restraint sys-
tems, as well as installation meth-
ods, etc., written in this manual.



Use a child restraint system when
riding with a small child that can-
not properly use a seat belt. For
the child’s safety, install the child
restraint system to a rear seat. Be
sure to follow the installation
method that is in the operation
manual enclosed with the
restraint system.



The use of a Lexus genuine child
restraint system is recommended,
as it is safer to use in this vehicle.
Lexus genuine child restraint sys-
tems are made specifically for
Lexus vehicles. They can be pur-
chased at a Lexus dealer.

Table of contents

Points to remember

WARNING

When a child is riding

Observe the following precautions.

Failure to do so may result in death or

serious injury.

For effective protection in automobile

accidents and sudden stops, a child

must be properly restrained, using a

seat belt or child restraint system

which is correctly installed. For instal-

lation details, refer to the operation

manual enclosed with the child

restraint system. General installation

instruction is provided in this manual.

1-2. Child safety

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When installing a child restraint
system to the front passenger seat

For the safety of a child, install a child
restraint system to a rear seat. When
installing a child restraint system to the
front passenger seat is unavoidable,
adjust the seat as follows and install the
child restraint system:



Adjust the seatback angle to the
most upright position.

When installing a forward-facing child
seat, if there is a gap between the child seat
and the seatback, adjust the seatback
angle until good contact is achieved.



Move the front seat fully rearward.



Adjust the seat height to the upper-
most position.



Adjust the front of the seat cushion
to the lowest position.



If the head restraint interferes with
the child restraint system installation
and the head restraint can be
removed, remove the head
restraint. Otherwise, put the head
restraint in the upper most position.

WARNING

Lexus strongly urges the use of a

proper child restraint system that con-

forms to the weight and size of the

child, installed on the rear seat.

According to accident statistics, the

child is safer when properly restrained

in the rear seat than in the front seat.

Holding a child in your or someone

else’s arms is not a substitute for a child

restraint system. In an accident, the

child can be crushed against the wind-

shield or between the holder and the

interior of the vehicle.

Handling the child restraint system

If the child restraint system is not prop-

erly fixed in place, the child or other pas-

sengers may be seriously injured or even

killed in the event of sudden braking,

sudden swerving, or an accident.

If the vehicle were to receive a strong

impact from an accident, etc., it is pos-

sible that the child restraint system has

damage that is not readily visible. In

such cases, do not reuse the restraint

system.

Depending on the child restraint sys-

tem, installation may be difficult or

impossible. In those cases, check

whether the child restraint system is

suitable for installment in the vehicle.

(



P.50) Be sure to install and

observe the usage rules after carefully

reading the child restraint system fix-

ing method in this manual, as well as

the operation manual enclosed with

the child restraint system.

Keep the child restraint system prop-

erly secured on the seat even if it is not

in use. Do not store the child restraint

system unsecured in the passenger

compartment.

If it is necessary to detach the child

restraint system, remove it from the

vehicle or store it securely in the lug-

gage compartment.

When using a child restraint sys-
tem

1-2. Child safety

WARNING

When using a child restraint system

Observe the following precautions.

Failure to do so may result in death or

serious injury.

Never use a rear-facing child restraint

system on the front passenger seat

when the airbag manual on-off switch

is on. (



P.202)

The force of the rapid inflation of the

front passenger airbag can cause

death or serious injury to children in

the event of an accident.

There is a label(s) on the passenger

side sun visor, indicating it is forbidden

to attach a rear-facing child restraint

system to the front passenger seat.

Details of the label(s) are shown in the

illustration below.

1-2. Child safety

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WARNING

Only put a forward-facing child

restraint system on the front seat when

unavoidable. When installing a for-

ward-facing child restraint on the front

passenger seat, move the seat as far

back as possible. Failing to do so may

result in death or serious injury if the

airbags deploy (inflate).

Do not allow the child to lean his/her

head or any part of his/her body

against the door or the area of the seat,

front or rear pillars, or roof side rails

from which the SRS side airbags or

SRS curtain shield airbags deploy even

if the child is seated in the child

restraint system. It is dangerous if the

SRS side and curtain shield airbags

inflate, and the impact could cause

death or serious injury to the child.

When a junior seat is installed, always

ensure that the shoulder belt is posi-

tioned across the center of the child’s

shoulder. The belt should be kept away

from the child’s neck, but not so that it

could fall off the child’s shoulder.

Use a child restraint system suitable to

the age and size of the child and install

it to the rear seat.

1-2. Child safety

Child restraint system compatibil-
ity for each seating position

Compatibility of each seating position
with child restraint systems (



P.51)

displays the type of child restraint sys-
tems that can be used and possible
seating positions for installation using
symbols.
Also, the recommended child restraint
system that is suitable for your child
can be selected. Otherwise, check
“Recommended child restraint sys-
tems and Compatibility table” for rec-
ommended child restraint systems.
(



P.54)

Check the selected child restraint sys-
tem together with the following
“Before confirming the compatibility of
each seating position with child
restraint systems”.

Before confirming the compatibil-
ity of each seating position with
child restraint systems

Check the child restraint system
standards.
Use a child restraint system that
conforms to UN(ECE) R44

UN(ECE) R129

*1, 2

The following approval mark is dis-
played on child restraint systems
which are conformed.
Check for an approval mark
attached to the child restraint sys-
tem.

Example of the displayed regulation Num-
ber

UN(ECE) R44 approval mark

The weight range of the child who is
applicable for an UN(ECE) R44
approval mark is indicated.

UN(ECE) R129 approval mark

The height range of the child who is
applicable as well as available
weights for an UN(ECE) R129
approval mark is indicated.

WARNING

If the driver’s seat interferes with the

child restraint system and prevents it

from being attached correctly, attach

the child restraint system to the right-

hand rear seat (left-hand drive vehi-

cles) or the left-hand rear seat (right-

hand drive vehicles). (



P.54)

Child restraint system compati-
bility for each seating position

1-2. Child safety

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Check the category of the child
restraint system.
Check the approval mark of the
child restraint system for which of
the following categories the child
restraint system is suitable.
Also, if there are any uncertainties,
check the user’s guide included
with the child restraint system or
contact the retailer of the child
restraint system.

• “universal”
• “semi-universal”
• “restricted”
• “vehicle specific”

: UN(ECE) R44 and UN(ECE) R129

are U.N. regulations for child restraint
systems.

: The child restraint systems mentioned

in the table may not be available outside
of the EU area.

: The displayed mark may differ depend-

ing on the product.

Compatibility of each seating posi-
tion with child restraint systems



Left-hand drive vehicles



Right-hand drive vehicles

*1, 2, 3, 5

1-2. Child safety

: Move the front seat fully rearward. If the

passenger seat height can be adjusted,
move it to the upper most position.

: Adjust the seatback angle to the most

upright position. When installing a for-
ward-facing child seat, if there is a gap
between the child seat and the seat-
back, adjust the seatback angle until
good contact is achieved.

: If the head restraint interferes with your

child restraint system, and the head
restraint can be removed, remove the
head restraint.
Otherwise, put the head restraint in the
upper most position.

: Use only a front-facing child restraint

system when the airbag manual on-off
switch is on.

: Not suitable for child restraint systems

with support leg.

Suitable for “universal” category
child restraint system fixed with
the seat belt.
Suitable for child restraint sys-
tems given on recommended
child restraint systems and com-
patibility table (



P. 54).

Suitable for i-Size and ISOFIX
child restraint system.

Includes a top tether anchorage
point.
Never use a rear-facing child
restraint system on the front pas-
senger seat when the airbag man-
ual on-off switch is on.

1-2. Child safety

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Detail information for child restraint systems installation

ISOFIX child restraint systems are divided into different “fixture”. The child
restraint system can be used in the seating positions for “fixture” mentioned in the
table above. For kind of “fixture” relation, confirm the following table.
If your child restraint system has no kind of “fixture” (or if you cannot find informa-
tion in the table below), please refer to the child restraint system “vehicle list” for
compatibility information or ask the retailer of your child seat.

Seat position number

Seating position

Airbag manual on-

off switch

OFF

Seating position suitable for

universal belted (Yes/No)

All universal categories

(group 0, 0+, I, II, and III)

Yes

For-

ward-
facing

only

Yes

i-Size seating position

(Yes/No)

Yes

Seating position suitable for

lateral fixture (L1/L2/No)

Suitable rearward facing fix-

ture (R1/R2X/R2/R3/No)

R1, R2

Suitable forward facing fix-

ture (F2X/F2/F3/No)

F2X, F2,

Suitable junior seat fixture

(B2/B3/No)

B2, B3

Fixture

Description

Full-height, forward-facing child restraint systems

Reduced-height forward-facing child restraint systems

F2X

Reduced-height forward-facing child restraint systems

Full-size, rearward-facing child restraint systems

1-2. Child safety

Recommended child restraint systems and Compatibility table

The child restraint systems mentioned in the table may not be available outside the
EU countries and United Kingdom.
When securing some types of child
restraint systems in rear seat, it may not
be possible to properly use the seat

belts in positions next to the child
restraint without interfering with it or
affecting seat belt effectiveness. Be

Reduced-size, rearward-facing child restraint systems

R2X

Reduced-size, rearward-facing child restraint systems

Rearward-facing infant seat

Left lateral-facing (carrycot) infant seat

Right lateral-facing (carrycot) infant seat

Junior seat

Mass groups

Recommended Child

Restraint System

Seating position

Airbag manual

on-off switch

OFF

0, 0+
Up to 13 kg
(28 lb.)

LEXUS G0+, BABY SAFE
PLUS (Yes/No)

Yes

I
9 to 18 kg
(20 to 39 lb.)

LEXUS DUO PLUS
(Yes/No)

Yes

Belt Fix

Only

Yes

Belt Fix

Only

Yes

Belt Fix

Only

Yes

II, III
15 to 36 kg
(34 to 79 lb.)

LEXUS KIDFIX XP SICT
(Yes/No)

Yes

Belt Fix

Only

Yes

Belt Fix

Only

Yes

Belt Fix

Only

Yes

LEXUS MAXI PLUS
(Yes/No)

Yes

Belt Fix

Only

Yes

Belt Fix

Only

Yes

Belt Fix

Only

Yes

Fixture

Description

1-2. Child safety

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sure your seat belt fits snugly across
your shoulder and low on your hips. If it
does not, or if it interferes with the child
restraint, move to a different position.
Failure to do so may result in death or
serious injury.



When installing a child restraint in
the rear seats, adjust the front seat
so that it does not interfere with the
child or child restraint system.



When installing a child seat with
support base, if the child seat inter-
feres with the seatback when latch-
ing it into the support base, adjust
the seatback rearward until there is
no interference.



If the seat belt shoulder anchor is
ahead of the child seat belt guide,

move the seat cushion forward.



When installing a junior seat, if the
child in your child restraint system is
in a very upright position, adjust the
seatback angle to the most comfort-
able position. And if the seat belt
shoulder anchor is ahead of the
child seat belt guide, move the seat
cushion forward.

Confirm with the operation manual enclosed with the child restraint system about
the installation of the child restraint system.

Child restraint system installation method

1-2. Child safety

Installing child restraint system
using a seat belt

Install the child restraint system in
accordance to the operation manual
enclosed with the child restraint sys-
tem.
If the child restraint system on hand is

not within the “universal” category (or
the necessary information is not in the
table), refer to the “Vehicle List” pro-
vided by the child restraint system
maker for various possible installation
positions, or check the compatibility
after asking the retailer of the child
seat. (



P.50)

If installing the child restraint sys-
tem to the front passenger seat is

Installation method

Page

Seat belt attachment

P.56

ISOFIX lower anchorage

attachment

P.58

Top tether anchorage

attachment

P.59

Child restraint system fixed with
a seat belt

1-2. Child safety

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unavoidable, refer to P.47 for front
passenger seat adjustment.

If the head restraint interferes with
the child restraint system and the
head restraint can be removed,
remove the head restraint. Other-
wise, put the head restraint in the
upper most position. (



P.202)

Run the seat belt through the child
restraint system and insert the plate
into the buckle. Make sure that the
belt is not twisted. Securely fix the
seat belt to the child restraint sys-
tem in accordance to the directions
enclosed with the child restraint
system.

If your child restraint system is not
equipped with a lock-off (a seat belt
locking feature), secure the child
restraint system using a locking
clip.

After installing the child restraint
system, rock it back and forth to
ensure that it is installed securely.
(



P.58)

Removing a child restraint system
installed with a seat belt

Press the buckle release button and
fully retract the seat belt.

When releasing the buckle, the child
restraint system may spring up due to the
rebound of the seat cushion. Release the
buckle while holding down the child
restraint system.
Since the seat belt automatically reels itself,
slowly return it to the stowing position.

When installing a child restraint system

You may need a locking clip to install the

child restraint system. Follow the instruc-

tions provided by the manufacturer of the

system. If your child restraint system does

not provide a locking clip, you can purchase

the following item from any authorized

Lexus retailer or Lexus authorized repairer,

or any reliable repairer: Locking clip for

child restraint system

(Part No. 73119-22010)

WARNING

When installing a child restraint sys-

tem

Observe the following precautions.

Failure to do so may result in death or

serious injury.

Do not allow children to play with the

seat belt. If the seat belt becomes

twisted around a child’s neck, it may

lead to choking or other serious inju-

ries that could result in death. If this

occurs and the buckle cannot be

unfastened, scissors should be used to

cut the belt.

1-2. Child safety

ISOFIX lower anchorages (ISO-
FIX child restraint system)

Lower anchorages are provided for
the outboard rear seats. (Marks dis-
playing the location of the anchorages
are attached to the seats.)

Installation with ISOFIX lower
anchorage (ISOFIX child restraint
system)

Install the child restraint system in
accordance to the operation manual
enclosed with the child restraint sys-
tem.
If the child restraint system on hand is
not within the “universal” category (or
the necessary information is not in the
table), refer to the “Vehicle List” pro-
vided by the child restraint system
maker for various possible installation
positions, or check the compatibility
after asking the retailer of the child
seat. (



P.50)

If the head restraint interferes with
the child restraint system and the
head restraint can be removed,
remove the head restraint. Other-
wise, put the head restraint in the
upper most position. (



P.202)

Remove the anchorage covers, and
install the child restraint system to
the seat.

The bars are installed behind the anchor-

WARNING

Ensure that the belt and plate are

securely locked and the seat belt is not

twisted.

Shake the child restraint system left

and right, and forward and backward

to ensure that it has been securely

installed.

After securing a child restraint system,

never adjust the seat.

When a junior seat is installed, always

ensure that the shoulder belt is posi-

tioned across the center of the child’s

shoulder. The belt should be kept away

from the child’s neck, but not so that it

could fall off the child’s shoulder.

Follow all installation instructions pro-

vided by the child restraint system

manufacturer.

Child restraint system fixed with
an ISOFIX lower anchorage

1-2. Child safety

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age covers.

After installing the child restraint
system, rock it back and forth to
ensure that it is installed securely.
(



P.58)

Top tether anchorages

Top tether anchorages are provided
for the outboard rear seats.

Use top tether anchorages when fixing
the top strap.

Top tether anchorages

Top strap

Fixing the top strap to the top
tether anchorage

Install the child restraint system in
accordance to the operation manual
enclosed with the child restraint sys-
tem.

If the head restraint interferes with
the child restraint system and the
head restraint can be removed,
remove the head restraint. Other-
wise, put the head restraint in the
upper most position. (



P.202)

WARNING

When installing a child restraint sys-

tem

Observe the following precautions.

Failure to do so may result in death or

serious injury.

After securing a child restraint system,

never adjust the seat.

When using the lower anchorages, be

sure that there are no foreign objects

around the anchorages and that the

seat belt is not caught behind the child

restraint system.

Follow all installation instructions pro-

vided by the child restraint system

manufacturer.

Using a top tether anchorage

A
B

1-2. Child safety

Latch the hook onto the top tether
anchorage and tighten the top
strap.

Make sure the top strap is securely

latched. (



P.58)

When installing the child restraint system

with the head restraint raised, be sure to

have the top strap pass underneath the

head restraint.

Top strap

Hook

WARNING

When installing a child restraint sys-

tem

Observe the following precautions.

Failure to do so may result in death or

serious injury.

Firmly attach the top strap and make

sure that the belt is not twisted.

Do not attach the top strap to anything

other than the top tether anchorage.

After securing a child restraint system,

never adjust the seat.

Follow all installation instructions pro-

vided by the child restraint system

manufacturer.

A
B

When installing the child restraint sys-

tem with the head restraint being

raised, after the head restraint has

been raised and then the top tether

anchorage has been fixed, do not

lower the head restraint.

1-3. Emergency assistance

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1-3.Emergency assistance

: Operates within the eCall coverage.

The system name differs depending on
the country.

“SOS” button

Indicator lights

Microphone

Speaker

: This button is intended for communica-

tion with the eCall system operator.
Other SOS buttons available in other
systems of a motor vehicle do not relate
to the device and are not intended for
communication with the eCall system

operator.

Automatic Emergency Calls

If any airbag deploys, the system is
designed to automatically call the
eCall control center.

The answering

operator receives the vehicle’s loca-
tion, the time of the incident and the
vehicle VIN, and attempts to speak
with the vehicle occupants to assess
the situation. If the occupants are
unable to communicate, the operator
automatically treats the call as an
emergency and contacts the nearest
emergency services provider (112 sys-
tem etc.) to describe the situation and
request that assistance be sent to the
location.

: In some cases, the call cannot be made.

(



P.62)

Manual Emergency Calls

In the event of an emergency, press the
“SOS” button to call the eCall control
center.

The answering operator will

determine your vehicle’s location,
assess the situation, and dispatch the
necessary assistance required.
Make sure to open the cover before
pressing the “SOS” button.

eCall

eCall is a telematics service that
uses Global Navigation Satellite
System (GNSS) data and embed-
ded cellular technology to enable
the following emergency calls to be
made: Automatic emergency calls
(Automatic Collision Notification)
and manual emergency calls (by
pressing the “SOS” button). This
service is required by European
Union Regulations.

System components

A
B
C
D

Emergency Notification Ser-
vices

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