LEXUS NX 300H (2019 year). Instruction — part 2
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1-1. For safe use
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■
Child seat belt usage
The seat belts of your vehicle were princi-
pally designed for persons of adult size.
●
Use a child restraint system appropriate
for the child, until the child becomes large
enough to properly wear the vehicle’s
seat belt. (
●
When the child becomes large enough to
properly wear the vehicle’s seat belt, fol-
low the instructions regarding seat belt
usage. (
■
Seat belt extender
If your seat belts cannot be fastened
securely because they are not long enough,
a personalized seat belt extender is avail-
able from your Lexus dealer free of charge.
1
To fasten the seat belt, push the
plate into the buckle until a click
sound is heard.
2
To release the seat belt, press the
release button .
■
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-
WARNING
■
Using a seat belt extender
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 wear the seat belt extender if
you can fasten the seat belt without the
extender.
●
Do not use the seat belt extender
when installing a child restraint system
because the belt will not securely hold
the child restraint system, increasing
the risk of death or serious injury in the
event of an accident.
●
The personalized extender may not be
safe on another vehicle, when used by
another person, or at a different seat-
ing position other than the one origi-
nally intended.
NOTICE
■
When releasing a seat belt extender
Press on the buckle release button on the
extender, not on the seat belt, then,
release the extender from the seat belt
buckle.
This helps prevent damage to the vehicle
interior and the extender itself.
Fastening and releasing the seat
belt (except for the rear center
seat)
A
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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.
1
Take out the plate.
Plate A
Plate B
2
When fixing the belt, in the order of
plate A and then plate B, insert the
plate into the buckle until a clicking
sound is heard.
Plate A
Plate B
Buckle
Fastening the seat belt (for the
rear center seat)
A
B
WARNING
■
When using the rear center seat belt
Do not use the rear center seat belt with
either buckle released. Fastening only
one of the buckles may result in death or
serious injury in case of sudden braking
or a collision.
A
B
C
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1
To release the hooked buckle, push
the buckle release button .
2
Insert the mechanical key
(
P.100) or plate B into the notch
of buckle and remove the belt.
Retract the belt slowly when releasing and
stowing the seat belt.
Mechanical key
Plate B
Buckle
3
Stow in the cover in the order of
plate B and then plate A.
In order to securely fix it, firmly insert it to
the back.
Plate A
Plate B
4
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
Releasing and stowing the seat
belt (for the rear center seat)
A
A
B
C
A
B
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For safety and security
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.
1
Push the seat belt shoulder anchor
down while pressing the release
button .
2
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-
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.
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)
A
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
A
B
C
D
E
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For safety and security
• 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
G
H
I
J
K
L
M
N
O
P
Q
R
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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 com-
ponents 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.
(
■
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. (
●
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
curtain shield airbags may also deploy if a
serious impact occurs to the underside of
your vehicle. Some examples are shown in
the illustration.
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●
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.
●
Collision from the rear
●
Pitching end over end
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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.
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WARNING
●
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. (
●
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.
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WARNING
●
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.
●
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.
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WARNING
■
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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■
Adult
*1
■
Child
*4
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
*2
or flashing
*3
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
*2
or deac-
tivated
*3
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”
*4
SRS warning light
Off
Front passenger’s seat belt reminder light
Off
*2
or flashing
*3
Devices
Front passenger airbag
Deactivated or acti-
vated
*4
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
*5
■
Unoccupied
Indicator/warning
light
“AIR BAG ON” and “AIR BAG OFF” indica-
tor lights
“AIR BAG OFF”
*6
SRS warning light
Off
Front passenger’s seat belt reminder light
Off
*2
or flashing
*3
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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