Lexus RX450h (2022 year). Manual in english — page 1
24
1-1. For safe use
1-1.For safe use
Use only floor mats designed specifi-
cally for vehicles of the same model
and model year as your vehicle. Fix
them securely in place onto the carpet.
1
Insert the retaining hooks (clips)
into the floor mat eyelets.
2
Turn the upper knob of each retain-
ing hook (clip) to secure the floor
mats in place.
Always align the
marks
.
The shape of the retaining hooks (clips)
may differ from that shown in the illustra-
tion.
Before driving
Observe the following before start-
ing off in the vehicle to ensure
safety of driving.
Installing floor mats
A
WARNING
Observe the following precautions.
Failure to do so may cause the driver’s
floor mat to slip, possibly interfering with
the pedals while driving. An unexpect-
edly high speed may result or it may
become difficult to stop the vehicle. This
could lead to an accident, resulting in
death or serious injury.
■
When installing the driver’s floor mat
●
Do not use floor mats designed for
other models or different model year
vehicles, even if they are Lexus Genu-
ine floor mats.
●
Only use floor mats designed for the
driver’s seat.
●
Always install the floor mat securely
using the retaining hooks (clips) pro-
vided.
●
Do not use two or more floor mats on
top of each other.
●
Do not place the floor mat bot-
tom-side up or upside-down.
■
Before driving
●
Check that the floor mat is securely
fixed in the correct place with all the
provided retaining hooks (clips). Be
especially careful to perform this
check after cleaning the floor.
●
With the hybrid system stopped and
the shift lever in P, fully depress each
pedal to the floor to make sure it does
not interfere with the floor mat.
25
1-1. For safe use
1
For safety and security
Adjust the angle of the seatback so
that you are sitting straight up and
so that you do not have to lean for-
ward to steer. (
Adjust the seat so that you can
depress the pedals fully and so that
your arms bend slightly at the
elbow when gripping the steering
wheel. (
Lock the head restraint in place
with the center of the head restraint
closest to the top of your ears.
(
Wear the seat belt correctly.
(
Make sure that all occupants are wear-
ing their seat belts before driving the
vehicle. (
P.26)
Use a child restraint system appropri-
ate for the child until the child becomes
large enough to properly wear the
vehicle’s seat belt. (
Make sure that you can see backward
clearly by adjusting the inside and out-
side rear view mirrors properly.
(
For safe driving
For safe driving, adjust the seat and
mirror to an appropriate position
before driving.
Correct driving posture
WARNING
■
For safe driving
Observe the following precautions.
Failure to do so may result in death or
serious injury.
A
B
C
D
●
Do not adjust the position of the
driver’s seat while driving.
Doing so could cause the driver to lose
control of the vehicle.
●
Do not place a cushion between the
driver or passenger and the seatback.
A cushion may prevent correct pos-
ture from being achieved, and reduce
the effectiveness of the seat belt and
head restraint.
●
Do not place anything under the front
seats.
Objects placed under the front seats
may become jammed in the seat
tracks and stop the seat from locking in
place. This may lead to an accident
and the adjustment mechanism may
also be damaged.
●
Always observe the legal speed limit
when driving on public roads.
●
When driving over long distances, take
regular breaks before you start to feel
tired.
Also, if you feel tired or sleepy while
driving, do not force yourself to con-
tinue driving and take a break immedi-
ately.
Correct use of the seat belts
Adjusting the mirrors
26
1-1. For safe use
Seat belts
Make sure that all occupants are
wearing their seat belts before driv-
ing the vehicle.
WARNING
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.
■
Wearing a seat belt
●
Ensure that all passengers wear a seat
belt.
●
Always wear a seat belt properly.
●
Each seat belt should be used by one
person only. Do not use a seat belt for
more than one person at once, includ-
ing children.
●
Lexus recommends that children be
seated in the rear seat and always use
a seat belt and/or an appropriate child
restraint system.
●
To achieve a proper seating position,
do not recline the seat more than nec-
essary. The seat belt is most effective
when the occupants are sitting up
straight and well back in the seats.
●
Do not wear the shoulder belt under
your arm.
●
Always wear your seat belt low and
snug across your hips.
●
RX450hL: Do not let third-row seat
passengers to use second-row seat
seat belts.
■
Pregnant women
Obtain medical advice and wear the seat
belt in the proper way. (
Women who are pregnant should posi-
tion the lap belt as low as possible over
the hips in the same manner as other
occupants, extending the shoulder belt
completely over the shoulder and avoid-
ing belt contact with the rounding of the
abdominal area.
If the seat belt is not worn properly, not
only the pregnant woman, but also the
fetus could suffer death or serious injury
as a result of sudden braking or a colli-
sion.
■
People suffering illness
Obtain medical advice and wear the seat
belt in the proper way. (
■
When children are in the vehicle
27
1-1. For safe use
1
For safety and security
Extend the shoulder belt so that it
comes fully over the shoulder, but
does not come into contact with the
neck or slide off the shoulder.
Position the lap belt as low as possi-
ble over the hips.
Adjust the position of the seatback.
Sit up straight and well back in the
seat.
Do not twist the seat belt.
■
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.
WARNING
■
Seat belt damage and wear
●
Do not damage the seat belts by allow-
ing the belt, plate, or buckle to be
jammed in the door.
●
Inspect the seat belt system periodi-
cally. Check for cuts, fraying, and loose
parts. Do not use a damaged seat belt
until it is replaced. Damaged seat belts
cannot protect an occupant from
death or serious injury.
●
Ensure that the belt and plate are
locked and the belt is not twisted.
If the seat belt does not function cor-
rectly, immediately contact your Lexus
dealer.
●
Replace the seat assembly, including
the belts, if your vehicle has been
involved in a serious accident, even if
there is no obvious damage.
●
Do not attempt to install, remove,
modify, disassemble or dispose of the
seat belts. Have any necessary repairs
carried out by your Lexus dealer. Inap-
propriate handling may lead to incor-
rect operation.
Correct use of the seat belts
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.
28
1-1. For safe use
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-
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
Push the seat belt shoulder anchor
down while pressing the release
button .
2
Push the seat belt shoulder anchor
up while pressing the release but-
ton .
Move the height adjuster up and down as
needed until you hear a click.
WARNING
●
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 using a seat belt extender
When releasing the seat belt, press on
the buckle release button on the
extender, not on the seat belt.
This helps prevent damage to the vehicle
interior and the extender itself.
Fastening and releasing the seat
belt
A
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.
A
A
29
1-1. For safe use
1
For safety and security
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.
Seat belt pretensioners (front
seats and outboard second-row
seats)
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.
30
1-1. For safe use
■
Location of the SRS airbags
RX450h
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 front side airbags
Can help protect the torso of the front seat occupants
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
31
1-1. For safe use
1
For safety and security
SRS rear side airbags
Can help protect the torso of occupants in the rear outer seats
SRS curtain shield airbags
• 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
RX450hL
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 front side airbags
Can help protect the torso of the front seat occupants
SRS rear side airbags
Can help protect the torso of occupants in the outboard second-row seats
E
F
A
B
C
D
E
32
1-1. For safe use
SRS curtain shield airbags
• 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
Front 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)
Seat belt pretensioners and force limiters
Passenger seat cushion airbag
Driver’s seat position sensor
Driver’s knee airbag
Driver’s seat belt buckle switch
Front impact sensors
Airbag sensor assembly
RX450h: Rear side airbags
F
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
33
1-1. For safe use
1
For safety and security
RX450hL: Rear side airbags (outboard second-row seats)
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.
●
The hybrid system will be stopped and
fuel supply to the engine will be stopped.
(
●
All of the doors will be unlocked.
(
●
The brakes and stop lights will be con-
trolled automatically. (
●
The interior lights will turn on automati-
cally. (
●
The emergency flashers will turn on auto-
matically. (
●
For Lexus Enform Safety Connect sub-
scribers, if any of the following situations
occur, the system is designed to send an
emergency call to the response center,
notifying them of the vehicle’s location
(without needing to push the “SOS” but-
ton) and an agent will attempt to speak
with the occupants to ascertain the level
of emergency and assistance required. If
the occupants are unable to communi-
cate, the agent automatically treats the
call as an emergency and helps to dis-
patch the necessary emergency services.
(
P.60)
• An SRS airbag is deployed.
• A seat belt pretensioner is activated.
• The vehicle is involved in a severe
rear-end collision.
■
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
considerably higher in the following situa-
tions:
• 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 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
34
1-1. For safe use
the vehicle cabin from a direction per-
pendicular to the vehicle orientation at an
approximate speed of 12 - 18 mph [20 -
30 km/h]).
●
Both SRS curtain shield airbags will
deploy in the event of vehicle rollover.
●
All SRS side and curtain shield airbags
will 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.
●
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 frontal or
rear collision, 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
35
1-1. For safe use
1
For safety and security
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
■
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, deformed or has had a
hole made in it, 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 SRS side
airbag is scratched, cracked, or other-
wise damaged.
●
The portion of the front pillars, rear pillars
or roof side rail garnishes (padding) con-
taining the SRS curtain shield airbags
inside is scratched, cracked, or otherwise
damaged.
36
1-1. For safe use
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.
37
1-1. For safe use
1
For safety and security
WARNING
●
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 seats toward the door or
put their head or hands outside the
vehicle.
●
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.
38
1-1. For safe use
WARNING
●
Do not attach anything to areas such
as a door, windshield, side windows,
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 or the front doors. Doing
so can cause the SRS airbags to mal-
function.
●
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, roof side rails, front door panels,
front door trims or front door speakers
●
Modifications to the front door panel
(such as making a hole in it)
●
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
39
1-1. For safe use
1
For safety and security
WARNING
●
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
Front passenger occupant
classification system
Your vehicle is equipped with a
front passenger occupant classifi-
cation system. This system detects
the conditions of the front passen-
ger seat and activates or deacti-
vates the devices for the front
passenger.
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