LEXUS NX 300 (2019 year). Instruction — part 2

1-1. For safe use

LEXUS NX300 Owners Manu-

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the back.

Plate A
Plate B

Stow the seat belt buckle in the
pockets.

■

Emergency locking retractor (ELR)

The retractor will lock the belt during a sud-

den stop or on impact. It may also lock if you

lean forward too quickly. A slow, easy

motion will allow the belt to extend so that

you can move around fully.

■

Automatic locking retractor (ALR)

When a passenger’s shoulder belt is com-

pletely extended and then retracted even

slightly, the belt is locked in that position and

cannot be extended. This feature is used to

hold the child restraint system (CRS) firmly.

To free the belt again, fully retract the belt

and then pull the belt out once more.

Push the seat belt shoulder anchor
down while pressing the release
button .

Push the seat belt shoulder anchor
up.

Move the height adjuster up and down as
needed until you hear a click.

The pretensioners help the seat belts to
quickly restrain the occupants by
retracting the seat belts when the vehi-

A
B

Adjusting the seat belt shoulder
anchor height (front seats)

WARNING

■

Adjustable shoulder anchor

Always make sure the shoulder belt is

positioned across the center of your

shoulder. The belt should be kept away

from your neck, but not falling off your

shoulder. Failure to do so could reduce

the amount of protection in an accident

and cause death or serious injuries in the

event of a sudden stop, sudden swerve or

accident.

Seat belt pretensioners (front
seats)

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cle is subjected to certain types of
severe frontal or side collision or a
vehicle rollover.

The pretensioners do not activate in the
event of a minor frontal impact, a minor
side impact or a rear impact.

■

Replacing the belt after the preten-

sioner has been activated

If the vehicle is involved in multiple colli-

sions, the pretensioner will activate for the

first collision, but will not activate for the

second or subsequent collisions.

WARNING

■

Seat belt pretensioners

Observe the following precautions to

reduce the risk of injury in the event of

sudden braking, sudden swerving or an

accident.

Failure to do so may cause death or seri-

ous injury.

●

Do not place anything, such as a cush-

ion, on the front passenger’s seat.

Doing so will disperse the passenger’s

weight, which prevents the sensor

from detecting the passenger’s weight

properly. As a result, the seat belt pre-

tensioner for the front passenger’s seat

may not activate in the event of a colli-

sion.

●

If the pretensioner has activated, the

SRS warning light will come on. In that

case, the seat belt cannot be used

again and must be replaced at your

Lexus dealer.

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■

Location of the SRS airbags



SRS front airbags

SRS driver airbag/front passenger airbag

Can help protect the head and chest of the driver and front passenger from impact with
interior components

SRS knee airbag

Can help provide driver protection

SRS seat cushion airbag

Can help restrain the front passenger.



SRS side and curtain shield airbags

SRS side airbags

Can help protect the torso of the front seat occupants

SRS curtain shield airbags

SRS airbags

The SRS airbags inflate when the vehicle is subjected to certain types of
severe impacts that may cause significant injury to the occupants. They work
together with the seat belts to help reduce the risk of death or serious injury.

SRS airbag system

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• Can help protect primarily the head of occupants in the outer seats
• Can help prevent the occupants from being thrown from the vehicle in the event of vehi-

cle rollover

■

SRS airbag system components

Front passenger airbag
“AIR BAG ON” and “AIR BAG OFF” indicator lights
Side airbags
Curtain shield airbags
Side impact sensors (rear)
SRS warning light
Front passenger occupant classification system (ECU and sensors)
Driver airbag
Side impact sensors (front door)
Driver’s seat belt pretensioner
Front passenger’s seat belt pretensioner and force limiter
Passenger seat cushion airbag
Driver’s seat position sensor
Driver knee airbag
Driver’s seat belt buckle switch
Front passenger’s seat belt buckle switch
Front impact sensors
Airbag sensor assembly

A
B
C
D

E
F

N
O

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LEXUS NX300 Owners Manu-

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Your vehicle is equipped with ADVANCED AIRBAGS designed based on the US
motor vehicle safety standards (FMVSS208). The airbag sensor assembly (ECU)
controls airbag deployment based on information obtained from the sensors, etc.
shown in the system components diagram above. This information includes crash
severity and occupant information. As the airbags deploy, a chemical reaction in
the inflators quickly fills the airbags with non-toxic gas to help restrain the motion of
the occupants.

■

If the SRS airbags deploy (inflate)

●

Slight abrasions, burns, bruising, etc., may

be sustained from SRS airbags, due to the

extremely high speed deployment (infla-

tion) by hot gases.

●

A loud noise and white powder will be

emitted.

●

Parts of the airbag module (steering

wheel hub, airbag cover and inflator) as

well as the front seats, parts of the front

and rear pillars, and roof side rails, may

be hot for several minutes. The airbag

itself may also be hot.

●

The windshield may crack.

●

For Lexus Enform Safety Connect sub-

scribers, if the SRS airbags deploy or in

the event of a severe rear-end collision,

the system is designed to send an emer-

gency call to the response center, notify-

ing them of the vehicle’s location (without

needing to push the “SOS” button) and

an agent will attempt to speak with the

occupants to ascertain the level of emer-

gency and assistance required. If the

occupants are unable to communicate,

the agent automatically treats the call as

an emergency and helps to dispatch the

necessary emergency services.

(

P.290)

■

SRS airbag deployment conditions (SRS

front airbags)

●

The SRS front airbags will deploy in the

event of an impact that exceeds the set

threshold level (the level of force corre-

sponding to an approximately 12-18 mph

[20-30 km/h] frontal collision with a

fixed wall that does not move or deform).

However, this threshold velocity will be con-

siderably higher in the following situations:

• If the vehicle strikes an object, such as a

parked vehicle or sign pole, which can

move or deform on impact

• If the vehicle is involved in an underride

collision, such as a collision in which the

front of the vehicle underrides, or goes

under, the bed of a truck

●

Depending on the type of collision, it is

possible that only the seat belt preten-

sioners will activate.

●

The SRS front airbags for the front pas-

senger will not activate if there is no pas-

senger sitting in the front passenger seat.

However, the SRS front airbags for the

front passenger may deploy if luggage is

put in the seat, even if the seat is unoccu-

pied. (

P.38)

●

The SRS seat cushion airbag on the front

passenger seat will not operate if the

occupant is not wearing a seat belt.

■

SRS airbag deployment conditions (SRS

side and curtain shield airbags)

●

The SRS side and curtain shield airbags

will deploy in the event of an impact that

exceeds the set threshold level (the level

of force corresponding to the impact

force produced by an approximately

3300 lb. [1500 kg] vehicle colliding with

the vehicle cabin from a direction per-

pendicular to the vehicle orientation at an

approximate speed of 12 -18 mph [20 -

30 km/h]).

●

The SRS curtain shield airbags will deploy

in the event of vehicle rollover.

●

The SRS side and curtain shield airbags

may also deploy in the event of a severe

frontal collision.

■

Conditions under which the SRS air-

bags may deploy (inflate), other than a

collision

The SRS front airbags and SRS side and

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curtain shield airbags may also deploy if a

serious impact occurs to the underside of

your vehicle. Some examples are shown in

the illustration.

●

Hitting a curb, edge of pavement or hard

surface

●

Falling into or jumping over a deep hole

●

Landing hard or falling

The SRS curtain shield airbags may also

deploy under the situations shown in the

illustration.

●

The angle of vehicle tip-up is marginal.

●

The vehicle skids and hits a curb stone.

■

Types of collisions that may not deploy

the SRS airbags (SRS front airbags)

The SRS front airbags do not generally

inflate if the vehicle is involved in a side or

rear collision, if it rolls over, or if it is involved

in a low-speed frontal collision. But, when-

ever a collision of any type causes sufficient

forward deceleration of the vehicle, deploy-

ment of the SRS front airbags may occur.

●

Collision from the side

●

Collision from the rear

●

Vehicle rollover

■

Types of collisions that may not deploy

the SRS airbags (SRS side and curtain

shield airbags)

The SRS side and curtain shield airbags

may not activate if the vehicle is subjected

to a collision from the side at certain angles,

or a collision to the side of the vehicle body

other than the passenger compartment.

●

Collision from the side to the vehicle

body other than the passenger compart-

ment

●

Collision from the side at an angle

The SRS side airbags do not generally

inflate if the vehicle is involved in a rear colli-

sion, if it rolls over, or if it is involved in a low-

speed side or low-speed frontal collision.

●

Collision from the rear

●

Vehicle rollover

The SRS curtain shield airbags do not gen-

erally inflate if the vehicle is involved in a

rear collision, if it pitches end over end, or if

it is involved in a low-speed side or low-

speed frontal collision.

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●

Collision from the rear

●

Pitching end over end

■

When to contact your Lexus dealer

In the following cases, the vehicle will

require inspection and/or repair. Contact

your Lexus dealer as soon as possible.

●

Any of the SRS airbags have been

inflated.

●

The front of the vehicle is damaged or

deformed, or was involved in an accident

that was not severe enough to cause the

SRS front airbags to inflate.

●

A portion of a door or its surrounding

area is damaged or deformed, or the

vehicle was involved in an accident that

was not severe enough to cause the SRS

side and curtain shield airbags to inflate.

●

The pad section of the steering wheel,

dashboard near the front passenger air-

bag or lower portion of the instrument

panel is scratched, cracked, or otherwise

damaged.

●

The front passenger’s seat cushion sur-

face is scratched, cracked, or otherwise

damaged.

●

The surface of the seats with the side air-

bag is scratched, cracked, or otherwise

damaged.

●

The portion of the front pillars, rear pillars

or roof side rail garnishes (padding) con-

taining the curtain shield airbags inside is

scratched, cracked, or otherwise dam-

aged.

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WARNING

■

SRS airbag precautions

Observe the following precautions

regarding the SRS airbags.

Failure to do so may cause death or seri-

ous injury.

●

The driver and all passengers in the

vehicle must wear their seat belts

properly.

The SRS airbags are supplemental

devices to be used with the seat belts.

●

The SRS driver airbag deploys with

considerable force, and can cause

death or serious injury especially if the

driver is very close to the airbag. The

National Highway Traffic Safety

Administration (NHTSA) advises:

Since the risk zone for the driver’s air-

bag is the first 2 - 3 in. (50 - 75 mm) of

inflation, placing yourself 10 in. (250

mm) from your driver airbag provides

you with a clear margin of safety. This

distance is measured from the center

of the steering wheel to your breast-

bone. If you sit less than 10 in. (250

mm) away now, you can change your

driving position in several ways:

• Move your seat to the rear as far as

you can while still reaching the pedals

comfortably.

• Slightly recline the back of the seat.

Although vehicle designs vary, many

drivers can achieve the 10 in. (250

mm) distance, even with the driver seat

all the way forward, simply by reclining

the back of the seat somewhat. If

reclining the back of your seat makes it

hard to see the road, raise yourself by

using a firm, non-slippery cushion, or

raise the seat if your vehicle has that

feature.

• If your steering wheel is adjustable, tilt

it downward. This points the airbag

toward your chest instead of your head

and neck.

The seat should be adjusted as recom-

mended by NHTSA above, while still

maintaining control of the foot pedals,

steering wheel, and your view of the

instrument panel controls.

●

If the seat belt extender has been con-

nected to the front seat belt buckles

but the seat belt extender has not also

been fastened to the latch plate of the

seat belt, the SRS front airbags will

judge that the driver and front passen-

ger are wearing the seat belt even

though the seat belt has not been con-

nected. In this case, the SRS front air-

bags may not activate correctly in a

collision, resulting in death or serious

injury in the event of a collision. Be

sure to wear the seat belt with the seat

belt extender.

●

The SRS front passenger airbag also

deploys with considerable force, and

can cause death or serious injury

especially if the front passenger is very

close to the airbag. The front passen-

ger seat should be as far from the air-

bag as possible with the seatback

adjusted, so the front passenger sits

upright.

●

Improperly seated and/or restrained

infants and children can be killed or

seriously injured by a deploying airbag.

An infant or child who is too small to

use a seat belt should be properly

secured using a child restraint system.

Lexus strongly recommends that all

infants and children be placed in the

rear seats of the vehicle and properly

restrained. The rear seats are safer for

infants and children than the front pas-

senger seat. (

P.44)

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WARNING

●

Do not sit on the edge of the seat or

lean against the dashboard.

●

Do not allow a child to stand in front of

the SRS front passenger airbag unit or

sit on the knees of a front passenger.

●

Do not allow the front seat occupants

to hold items on their knees.

●

Do not lean against the door, the roof

side rail or the front, side and rear pil-

lars.

●

Do not allow anyone to kneel on the

passenger seat toward the door or put

their head or hands outside the vehi-

cle.

●

Do not attach anything to or lean any-

thing against areas such as the dash-

board, steering wheel pad and lower

portion of the instrument panel.

These items can become projectiles

when the SRS driver, front passenger

and knee airbags deploy.

●

Do not attach anything to areas such

as a door, windshield glass, side door

glass, front or rear pillar, roof side rail

and assist grip.

●

Do not hang coat hangers or other

hard objects on the coat hooks. All of

these items could become projectiles

and may cause death or serious injury,

should the SRS curtain shield airbags

deploy.

1-1. For safe use

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For safety and security

WARNING

●

If a vinyl cover is put on the area where

the SRS knee airbag will deploy, be

sure to remove it.

●

Do not use seat accessories which

cover the parts where the SRS side air-

bags and SRS seat cushion airbag

inflate as they may interfere with infla-

tion of the SRS airbags. Such accesso-

ries may prevent the side airbags and

SRS seat cushion airbag from activat-

ing correctly, disable the system or

cause the side airbags and SRS seat

cushion airbag to inflate accidentally,

resulting in death or serious injury.

●

Do not strike or apply significant levels

of force to the area of the SRS airbag

components.

Doing so can cause the SRS airbags to

malfunction.

●

Do not touch any of the component

parts immediately after the SRS air-

bags have deployed (inflated) as they

may be hot.

●

If breathing becomes difficult after the

SRS airbags have deployed, open a

door or window to allow fresh air in, or

leave the vehicle if it is safe to do so.

Wash off any residue as soon as possi-

ble to prevent skin irritation.

●

If the areas where the SRS airbags are

stored, such as the steering wheel pad

and front and rear pillar garnishes, are

damaged or cracked, have them

replaced by your Lexus dealer.

●

Do not place anything, such as a cush-

ion, on the front passenger’s seat.

Doing so will disperse the passenger’s

weight, which prevents the sensor

from detecting the passenger’s weight

properly. As a result, the SRS front air-

bags for the front passenger may not

deploy in the event of a collision.

■

Modification and disposal of SRS air-

bag system components

Do not dispose of your vehicle or per-

form any of the following modifications

without consulting your Lexus dealer.

The SRS airbags may malfunction or

deploy (inflate) accidentally, causing

death or serious injury.

●

Installation, removal, disassembly and

repair of the SRS airbags

●

Repairs, modifications, removal or

replacement of the steering wheel,

instrument panel, dashboard, seats or

seat upholstery, front, side and rear pil-

lars or roof side rails

●

Repairs or modifications of the front

fender, front bumper, or side of the

occupant compartment

●

Installation of a grille guard (bull bars,

kangaroo bar, etc.), snow plows,

winches or roof luggage carrier

●

Modifications to the vehicle’s suspen-

sion system

●

Installation of electronic devices such

as mobile two-way radios and CD

players

●

Modifications to your vehicle for a per-

son with a physical disability

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SRS warning light
Front passenger’s seat belt reminder light



For the U.S.A.

“AIR BAG OFF” indicator light
“AIR BAG ON” indicator light



For Canada

“AIR BAG OFF” indicator light
“AIR BAG ON” indicator light

Front passenger occupant classification system

Your vehicle is equipped with a front passenger occupant classification sys-
tem. This system detects the conditions of the front passenger seat and acti-
vates or deactivates the devices for the front passenger.

System components

A
B

C
D

E
F

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For safety and security

■

Adult

■

Child

Condition and operation in the front passenger occupant classification
system

Indicator/warning

light

“AIR BAG ON” and “AIR BAG OFF” indica-

tor lights

“AIR BAG ON”

SRS warning light

Off

Front passenger’s seat belt reminder light

Off

or flashing

Devices

Front passenger airbag

Activated

Side airbag on the front passenger seat

Curtain shield airbag in the front passenger

side

Seat cushion airbag in the front passenger

side

Activated

or deac-

tivated

Front passenger’s seat belt pretensioner and

force limiter

Activated

Indicator/warning

light

“AIR BAG ON” and “AIR BAG OFF” indica-

tor lights

“AIR BAG OFF” or

“AIR BAG ON”

SRS warning light

Off

Front passenger’s seat belt reminder light

Off

or flashing

Devices

Front passenger airbag

Deactivated or acti-

vated

Side airbag on the front passenger seat

Activated

Curtain shield airbag in the front passenger

side

Seat cushion airbag in the front passenger

side

Deactivated or acti-

vated

*2, 4

Front passenger’s seat belt pretensioner and

force limiter

Activated

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■

Child restraint system with infant

■

Unoccupied

Indicator/warning

light

“AIR BAG ON” and “AIR BAG OFF” indica-

tor lights

“AIR BAG OFF”

SRS warning light

Off

Front passenger’s seat belt reminder light

Off

or flashing

Devices

Front passenger airbag

Deactivated

Side airbag on the front passenger seat

Activated

Curtain shield airbag in the front passenger

side

Seat cushion airbag in the front passenger

side

Deactivated

Front passenger’s seat belt pretensioner and

force limiter

Activated

Indicator/warning

light

“AIR BAG ON” and “AIR BAG OFF” indica-

tor lights

“AIR BAG OFF”

SRS warning light

Off

Front passenger’s seat belt reminder light

Devices

Front passenger airbag

Deactivated

Side airbag on the front passenger seat

Activated

Curtain shield airbag in the front passenger

side

Seat cushion airbag in the front passenger

side

Deactivated

Front passenger’s seat belt pretensioner and

force limiter

Activated

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For safety and security

■

There is a malfunction in the system

: The system judges a person of adult size as an adult. When a smaller adult sits in the

front passenger seat, the system may not recognize him/her as an adult depending on
his/her physique and posture.

: In the event the front passenger is wearing a seat belt.

: In the event the front passenger does not wear a seat belt.

: For some children, child in seat, child in booster seat or child in convertible seat, the sys-

tem may not recognize him/her as a child. Factors which may affect this can be the phy-
sique or posture.

: Never install a rear-facing child restraint system on the front passenger seat. A forward-

facing child restraint system should only be installed on the front passenger seat when it
is unavoidable. (

P.47)

: In case the indicator light is not illuminated, consult this manual on how to install the child

restraint system properly. (

P.44)

Indicator/warning

light

“AIR BAG ON” and “AIR BAG OFF” indica-

tor lights

“AIR BAG OFF”

SRS warning light

Front passenger’s seat belt reminder light

Devices

Front passenger airbag

Deactivated

Side airbag on the front passenger seat

Activated

Curtain shield airbag in the front passenger

side

Seat cushion airbag in the front passenger

side

Deactivated

Front passenger’s seat belt pretensioner and

force limiter

Activated

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LEXUS NX300 Owners Manu-

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WARNING

■

Front passenger occupant classifica-

tion system precautions

Observe the following precautions

regarding the front passenger occupant

classification system. Failure to do so may

cause death or serious injury.

●

Wear the seat belt properly.

●

Make sure the front passenger’s seat

belt plate has not been left inserted

into the buckle before someone sits in

the front passenger seat.

●

Make sure the “AIR BAG OFF” indi-

cator light is not illuminated when

using the seat belt extender for the

front passenger seat. If the “AIR BAG

OFF” indicator light is illuminated, dis-

connect the extender tongue from the

seat belt buckle, and reconnect the

seat belt. Reconnect the seat belt

extender after making sure the “AIR

BAG ON” indicator light is illumi-

nated. If you use the seat belt extender

while the “AIR BAG OFF” indicator

light is illuminated, the SRS airbags for

the front passenger will not activate,

which could cause death or serious

injury in the event of a collision.

●

Do not apply a heavy load to the front

passenger seat or equipment (e.g.

seatback pocket).

●

Do not put weight on the front passen-

ger seat by putting your hands or feet

on the front passenger seat seatback

from the rear passenger seat.

●

Do not let a rear passenger lift the

front passenger seat with their feet or

press on the seatback with their legs.

●

Do not put objects under the front pas-

senger seat.

●

Do not recline the front passenger

seatback so far that it touches a rear

seat. This may cause the “AIR BAG

OFF” indicator light to be illuminated,

which indicates that the SRS airbags

for the front passenger will not activate

in the event of a severe accident. If the

seatback touches the rear seat, return

the seatback to a position where it

does not touch the rear seat. Keep the

front passenger seatback as upright as

possible when the vehicle is moving.

Reclining the seatback excessively

may lessen the effectiveness of the

seat belt system.

●

If an adult sits in the front passenger

seat, the “AIR BAG ON” indicator

light is illuminated. If the “AIR BAG

OFF” indicator is illuminated, ask the

passenger to sit up straight, well back

in the seat, feet on the floor, and with

the seat belt worn correctly. If the “AIR

BAG OFF” indicator still remains illu-

minated, either ask the passenger to

move to the rear seat, or if that is not

possible, move the front passenger

seat fully rearward.

●

When it is unavoidable to install a for-

ward-facing child restraint system on

the front passenger seat, install the

child restraint system on the front pas-

senger seat in the proper order.

(

P.47)

●

Do not modify or remove the front

seats.

●

Do not kick the front passenger seat or

subject it to severe impact. Otherwise,

the SRS warning light may come on to

indicate a malfunction of the front pas-

senger occupant classification system.

In this case, contact your Lexus dealer

immediately.

●

Child restraint systems installed on the

rear seat should not contact the front

seatbacks.

●

Do not use a seat accessory, such as a

cushion and seat cover, that covers the

seat cushion surface.

1-1. For safe use

LEXUS NX300 Owners Manu-

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For safety and security

WARNING

●

Do not modify or replace the uphol-

stery of the front seat.

Safety information for chil-
dren

Observe the following precautions
when children are in the vehicle.
Use a child restraint system appro-
priate for the child, until the child
becomes large enough to properly
wear the vehicle’s seat belt.
 It is recommended that children

sit in the rear seats to avoid acci-
dental contact with the shift lever,
wiper switch, etc.

 Use the rear door child-protector

lock or the window lock switch to
avoid children opening the door
while driving or operating the
power window accidentally.
(

P.93, 129)

 Do not let small children operate

equipment which may catch or
pinch body parts, such as the
power window, hood, back door,
seats, etc.

WARNING

■

When children are in the vehicle

Never leave children unattended in the

vehicle, and never allow children to have

or use the key.
Children may be able to start the vehicle

or shift the vehicle into neutral. There is

also a danger that children may injure

themselves by playing with the windows,

the moon roof (if equipped) or other fea-

tures of the vehicle. In addition, heat

build-up or extremely cold temperatures

inside the vehicle can be fatal to children.

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