LEXUS RX 450HL (2019 year). Instruction — part 4
64
1-2. Child safety
RX450h_RX450hL_U
■
Booster seat
If installing the child restraint system to the front passenger seat is unavoid-
able, refer to P. 59 for the front passenger seat adjustment.
High back type: Remove the head
restraint if it interferes with your
child restraint system. (
If the head restraint cannot be
removed, raise it to the uppermost
position.
Place the child restraint system on the seat facing the front of the vehicle.
Sit the child in the child restraint
system. Fit the seat belt to the
child restraint system according
to the manufacturer’s instructions
and insert the plate into the
buckle. Make sure that the belt is
not twisted.
Check that the shoulder belt is cor-
rectly positioned over the child’s
shoulder and that the lap belt is as
low as possible. (
1
2
3
Booster type
High back type
4
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1-2. Child safety
1
For safety
and security
RX450h_RX450hL_U
◆
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.
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1-2. Child safety
RX450h_RX450hL_U
WARNING
■
When installing a child restraint system
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 injuries that could result
in death.
If this occurs and the buckle cannot be unfastened, scissors should be used to cut the
belt.
●
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 booster seat is installed, always ensure that the shoulder belt is positioned
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 provided by the child restraint system manufacturer.
●
When securing some types of child restraint systems in rear seats, it may not be possi-
ble to properly use the seat belts in positions next to the child restraint without inter-
fering with it or affecting seat belt effectiveness. Be 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 system in the rear center seat, adjust both seat cush-
ions to the same position and align both seatbacks at the same angle. The seatbacks
must be adjusted to the same angle. Otherwise, the child restraint system cannot be
securely restrained and this may cause death or serious injuries in the event of sudden
braking, sudden swerving or an accident.
■
When installing a booster seat
To prevent the belt from going into ALR lock mode, do not fully extend the shoulder
belt. ALR mode causes the belt to tighten only. This could cause injury or discomfort to
the child. (
■
Do not use a seat belt extender
If a seat belt extender is used when installing a child restraint system, the seat belt will
not securely hold the child restraint system, which could cause death or serious injury
to the child or other passengers in the event of sudden braking, sudden swerving or an
accident.
67
1-2. Child safety
1
For safety
and security
RX450h_RX450hL_U
■
Child restraint LATCH anchors
LATCH anchors are provided for
the outboard rear seats. (Buttons
displaying the location of the
anchors are attached to the seats.)
■
When installing in the rear outboard seats
Install the child restraint system in accordance to the operation manual
enclosed with the child restraint system.
Adjust the seat
If there is a gap between the child seat and the seatback, adjust the seat-
back angle until good contact is achieved.
Remove the head restraint if it
interferes with your child restraint
system. (
If the head restraint cannot be
removed, raise it to the uppermost
position.
Widen the gap between the seat cushion and seatback slightly.
Child restraint system fixed with a child restraint LATCH anchor
1
2
3
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1-2. Child safety
RX450h_RX450hL_U
With flexible lower attachments
Latch the hooks of the lower
straps onto the LATCH anchors.
For owners in Canada:
The symbol on a child restraint
system indicates the presence of
a lower connector system.
With rigid lower attachments
Latch the buckles onto the
LATCH anchors.
For owners in Canada:
The symbol on a child restraint
system indicates the presence of
a lower connector system.
If the child restraint has a top tether strap, follow the child restraint manu-
facturer’s operation manual regarding the installation, using the top tether
strap to latch onto the top tether strap anchor. (
Canada only
4
Canada only
4
5
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1-2. Child safety
1
For safety
and security
RX450h_RX450hL_U
After installing the child restraint system, rock it back and forth to ensure
that it is installed securely. (
■
When installing in the rear center seat
There are no LATCH anchors behind the rear center seat. However, the
inboard LATCH anchors of the outboard seats, which are 18.1 in. (460 mm)
apart, can be used if the child restraint system manufacturer’s instructions per-
mit use of those anchors with the anchor spacing stated.
Child restraint systems with rigid lower attachments cannot be installed in the
center seat. This type of child restraint system can only be installed in the out-
board seat.
■
Laws and regulations pertaining to anchors
The LATCH system conforms to FMVSS225 or CMVSS210.2.
Child restraint systems conforming to FMVSS213 or CMVSS213 specifications can be
used.
This vehicle is designed to conform to SAE J1819.
WARNING
■
When installing a child restraint system
Observe the following precautions.
Failure to do so may result in death or serious injury.
●
When using the LATCH anchors, be sure that there are no foreign objects around the
anchors and that the seat belt is not caught behind the child restraint system.
●
Follow all installation instructions provided by the child restraint system manufacturer.
●
Never attach two child restraint system attachments to the same anchor. In a collision,
one anchor may not be strong enough to hold two child restraint system attachments
and may break.
If the LATCH anchors are already in use, use the seat belt to install a child restraint
system in the center seat.
●
When securing some types of child restraint systems in rear seats, it may not be possi-
ble to properly use the seat belts in positions next to the child restraint without inter-
fering with it or affecting seat belt effectiveness. Be 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 system in the rear center seat, adjust both seat cush-
ions to the same position and align both seatbacks at the same angle. The seatbacks
must be adjusted to the same angle. Otherwise, the child restraint system cannot be
securely restrained and this may cause death or serious injuries in the event of sudden
braking, sudden swerving or an accident.
●
If the seat is adjusted, reconfirm the security of the child restraint system.
6
70
1-2. Child safety
RX450h_RX450hL_U
■
Anchor brackets (for top tether strap)
Anchor brackets are provided for the following seats:
Using an anchor bracket (for top tether strap)
Second-row seats (RX450h)
Second-row seats (RX450hL)
Third-row left side seat
Anchor brackets
Anchor brackets
Anchor brackets
71
1-2. Child safety
1
For safety
and security
RX450h_RX450hL_U
■
Fixing the top tether strap to the anchor bracket (second-row seats)
Install the child restraint system in accordance to the operation manual
enclosed with the child restraint system.
Remove the head restraint if it
interferes with your child restraint
system. (
If the head restraint cannot be
removed, raise it to the uppermost
position.
Open the anchor bracket cover,
latch the hook onto the anchor
bracket and tighten the top tether
strap.
Make sure the top tether strap is
securely latched. (
When installing the child restraint
system with the head restraint being
raised, be sure to have the top tether
strap pass underneath the head
restraint.
1
Hook
Top tether strap
2
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1-2. Child safety
RX450h_RX450hL_U
■
Fixing the top tether strap to the anchor bracket (third-row left side seat)
Install the child restraint system in accordance to the operation manual
enclosed with the child restraint system.
Remove the head restraint if it
interferes with your child restraint
system. (
If the head restraint cannot be
removed, raise it to the uppermost
position.
Latch the hook onto the anchor
bracket and tighten the top tether
strap.
Make sure the top tether strap is
securely latched. (
When installing the child restraint
system with the head restraint being
raised, be sure to have the top tether
strap pass underneath the head
restraint.
■
Laws and regulations pertaining to anchors
The LATCH system conforms to FMVSS225 or CMVSS210.2.
Child restraint systems conforming to FMVSS213 or CMVSS213 specifications can be
used.
This vehicle is designed to conform to SAE J1819.
1
Hook
Top tether strap
2
73
1-2. Child safety
1
For safety
and security
RX450h_RX450hL_U
WARNING
■
When installing a child restraint system
Observe the following precautions.
Failure to do so may result in death or serious injury.
●
Firmly attach the top tether strap and make sure that the belt is not twisted.
●
Do not attach the top strap to anything other than the anchor bracket of the seat the
child restraint system is installed to.
●
Follow all installation instructions provided by the child restraint system manufacturer.
●
When installing the child restraint system with the head restraint being raised, after
the head restraint has been raised and then the anchor bracket has been fixed, do not
lower the head restraint.
●
When installing a child restraint system in the rear center seat, adjust both seat cush-
ions to the same position and align both seatbacks at the same angle. The seatbacks
must be adjusted to the same angle. Otherwise, the child restraint system cannot be
securely restrained and this may cause death or serious injuries in the event of sudden
braking, sudden swerving or an accident.
●
If the seat is adjusted, reconfirm the security of the child restraint system.
NOTICE
■
Anchor brackets (for top tether strap)
When not in use, make certain to close the lid. If it remains open, the lid may be dam-
aged.
74
RX450h_RX450hL_U
1-3. Hybrid system
The illustration is an example for explanation and may differ from the actual item.
Gasoline engine
Front electric motor (traction motor)
Rear electric motor (traction motor)
Hybrid system features
Your vehicle is a hybrid vehicle. It has characteristics different from conven-
tional vehicles. Be sure you are closely familiar with the characteristics of your
vehicle, and operate it with care.
The hybrid system combines the use of a gasoline engine and an electric
motor (traction motor) according to driving conditions, improving fuel effi-
ciency and reducing exhaust emissions.
1
2
3
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1-3. Hybrid system
1
For safety
and security
RX450h_RX450hL_U
◆
When stopped/during start off
The gasoline engine stops* when the vehicle is stopped. During start off, the
electric motor (traction motor) drives the vehicle. At slow speeds or when
traveling down a gentle slope, the engine is stopped* and the electric motor
(traction motor) is used.
When the shift lever is in N, the hybrid battery (traction battery) is not being
charged.
*
: When the hybrid battery (traction battery) requires charging or the engine is warm-
ing up, etc., the gasoline engine will not automatically stop. (
◆
During normal driving
The gasoline engine is predominantly used. The electric motor (traction
motor) charges the hybrid battery (traction battery) as necessary.
◆
When accelerating sharply
When the accelerator pedal is depressed heavily, the power of the hybrid bat-
tery (traction battery) is added to that of the gasoline engine via the electric
motor (traction motor).
◆
When braking (regenerative braking)
The wheels operate the electric motor (traction motor) as a power generator,
and the hybrid battery (traction battery) is charged.
When the gasoline engine is off while driving, a sound is produced to warn
pedestrians, people riding bicycles or other people and vehicles in the surround-
ing area that the vehicle is approaching. The pitch of the sound varies according
to the vehicle speed. When the vehicle speed becomes approximately 15 mph
(25 km/h) or more, the notification sound turns off.
Vehicle proximity notification system
76
1-3. Hybrid system
RX450h_RX450hL_U
■
Regenerative braking
In the following situations, kinetic energy is converted to electric energy and decelera-
tion force can be obtained in conjunction with the recharging of the hybrid battery (trac-
tion battery).
●
The accelerator pedal is released while driving with the shift lever in D or S.
●
The brake pedal is depressed while driving with the shift lever in D or S.
■
EV indicator
■
Conditions in which the gasoline engine may not stop
The gasoline engine starts and stops automatically. However, it may not stop automati-
cally in the following conditions:
●
During gasoline engine warm-up
●
During hybrid battery (traction battery) charging
●
When the temperature of the hybrid battery (traction battery) is high or low
●
When the heater is switched on
■
Charging the hybrid battery (traction battery)
As the gasoline engine charges the hybrid battery (traction battery), the battery does not
need to be charged from an outside source. However, if the vehicle is left parked for a
long time the hybrid battery (traction battery) will slowly discharge. For this reason, be
sure to drive the vehicle at least once every few months for at least 30 minutes or 10
miles (16 km). If the hybrid battery (traction battery) becomes fully discharged and you
are unable to start the hybrid system, contact your Lexus dealer.
■
Charging the 12-volt battery
P. 698
■
After the 12-volt battery has discharged or when the terminal has been removed and
installed during exchange, etc.
The gasoline engine may not stop even if the vehicle is being driven by the hybrid battery
(traction battery). If this continues for a few days, contact your Lexus dealer.
The EV indicator comes on when the vehicle is
driven using only the electric motor (traction
motor) or the gasoline engine is stopped.
77
1-3. Hybrid system
1
For safety
and security
RX450h_RX450hL_U
■
Sounds and vibrations specific to a hybrid vehicle
There may be no engine sound or vibration even though the vehicle is able to move with
the “READY” indicator is illuminated. For safety, make sure to shift the shift lever to P and
apply the parking brake when parked.
The following sounds or vibrations may occur when the hybrid system is operating and
are not a malfunction:
●
Motor sounds may be heard from the engine compartment.
●
Sounds may be heard from the hybrid battery (traction battery) behind the rear seats
when the hybrid system starts or stops.
●
Relay operating sounds such as a snap or soft clank will be emitted from the hybrid bat-
tery (traction battery), behind the rear seats, when the hybrid system is started or
stopped.
●
Sounds from the hybrid system may be heard when the back door is open.
●
Sounds may be heard from the transmission when the gasoline engine starts or stops,
when driving at low speeds, or during idling.
●
Engine sounds may be heard when accelerating sharply.
●
Sounds may be heard due to regenerative braking when the brake pedal is depressed
or as the accelerator pedal is released.
●
Vibration may be felt when the gasoline engine starts or stops.
●
Cooling fan sounds may be heard from the air intake vents under the rear seats.
■
Vehicle proximity notification system
In the following cases, the vehicle proximity notification system may be difficult for sur-
rounding people to hear.
●
In very noisy areas
●
In the wind or the rain
Also, as the vehicle proximity notification system is installed on the front of the vehicle, it
may be more difficult to hear from the rear of the vehicle compared to the front.
■
Maintenance, repair, recycling, and disposal
Contact your Lexus dealer regarding maintenance, repair, recycling and disposal. Do
not dispose of the vehicle yourself.
■
Customization
Some functions can be customized. (
78
1-3. Hybrid system
RX450h_RX450hL_U
The illustration is an example for explanation and may differ from the actual item.
Hybrid system precautions
Take care when handling the hybrid system, as it is a high voltage system
(about 650 V at maximum) as well as contains parts that become extremely
hot when the hybrid system is operating. Obey the warning labels attached to
the vehicle.
Warning label
Hybrid battery (traction battery)
Rear electric motor (traction motor)
Service plug
High voltage cables (orange)
Front electric motor (traction
motor)
Power control unit
Air conditioning compressor
1
2
3
4
5
6
7
8
79
1-3. Hybrid system
1
For safety
and security
RX450h_RX450hL_U
The air intake/discharge vents for the
hybrid battery (traction battery) are
located under the rear seats and in lug-
gage compartment respectively. If the
air intake vents are blocked, it could
lead to a reduction in hybrid battery
(traction battery) output.
*
: RX450h
When a certain level of impact is detected by the impact sensor, the emergency
shut off system blocks the high voltage current and stops the fuel pump to mini-
mize the risk of electrocution and fuel leakage. If the emergency shut off system
activates, your vehicle will not restart. To restart the hybrid system, contact your
Lexus dealer.
A message is automatically displayed when a malfunction occurs in the hybrid
system or an improper operation is attempted.
If a warning message is shown on the
multi-information display, read the
message and follow the instructions.
(
Hybrid battery (traction battery) air intake/discharge vents
Air intake vents
Air discharge vents
*
Emergency shut off system
Hybrid warning message
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