warning LEXUS RX450H 2020 Repair Manual

1553-2. Opening, closing and locking the doors
3
Operation of each component
RX350/RX350L_U
WARNING
■Caution regarding interference with electronic devices
●People with implantable cardiac pacema kers, cardiac resynchronization therapy-
pacemakers or implantable cardioverter de fibrillators should keep away from the
smart access system with push-button start antennas. ( P. 146)
The radio waves may affect the operation of such devices. If necessary, the entry
function can be disabled. Ask your Lexus dealer for details, such as the frequency of
radio waves and timing of the emitted radio waves. Then, consult your doctor to see if
you should disable the entry function.
●Users of any electrical medical device ot her than implantable cardiac pacemakers,
cardiac resynchronization th erapy-pacemakers or implantable cardioverter defibril-
lators should consult the manufacturer of the device for information about its opera-
tion under the influence of radio waves.
Radio waves could have unexpected effects on the operation of such medical
devices.
Ask your Lexus dealer for details on disabling the entry function.

156
RX350/RX350L_U3-3. Adjusting the seats
Seat position adjustment switch
Seat cushion (front) angle adjust-
ment switch
Vertical height adjustment switch
Seatback angle adjustment switch
Lumbar support firmness adjust-
ment switch
Lumbar support height adjustment
switch (if equipped)
Seat cushion length adjustment
switch (if equipped)
■Power easy access system
The driver’s seat (on some models) and steering wheel move in accordance with engine
switch mode and the driver’s seat belt condition. (
P. 172)
Front seats
Adjustment procedure
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WARNING
■When adjusting the seat position
●Take care when adjusting the seat position to ensure that other passengers are not
injured by the moving seat.
●Do not put your hands under the seat or near the moving parts to avoid injury.
Fingers or hands may become jammed in the seat mechanism.
●Make sure to leave enough space around the feet so they do not get stuck.
■Seat adjustment
To reduce the risk of sliding under the lap be lt during a collision, do not recline the seat
more than necessary.
If the seat is too reclined, the lap belt may slide past the hips and apply restraint forces
directly to the abdomen, or your neck may contact the shou lder belt, increasing the risk
of death or serious injury in the event of an accident.
Adjustments should not be made while drivin g as the seat may unexpectedly move and
cause the driver to lose control of the vehicle.

1693-3. Adjusting the seats
3
Operation of each component
RX350/RX350L_U
■If a buzzer sounds continuously after a third-row seat seatback is completely folded
(RX350L)
The power seat system may be malfunctioning or it may need to be initialized. To initialize
the system, perform the following procedure. (It is necessary to perform this procedure
with two people.)
Check that the seat is free of obstructions.
Press and hold the side switch of the luggage compartment side switch for the
seat which the buzzer is sounding.
Within 10 seconds of the performing th e above step, press the side switch of
the seat side switch 5 times.
When a buzzer sounds 3 times, release the luggage compartment side switch.
Press the side switch of the seat side switch until the seatback is folded com-
pletely.
A buzzer will sound twice when the operation is complete.
If the buzzer does not stop sounding even though the above procedure has been per-
formed, have the vehicle inspected by your Lexus dealer.
WARNING
■When a rear seatback is folded
Observe the following precautions.
Failure to do so may result in death or serious injury.
●Do not fold down the rear seatbacks while driving.
●Stop the vehicle on level grou nd, apply the parking brake and shift the shift lever to P.
●Do not allow anyone to sit on a folded rear seatback or in th e luggage compartment
while driving.
●Do not allow children to enter the luggage compartment.
■When operating the rear seatback
Observe the following precautions.
Failure to do so may result in death or serious injury.
●Make sure that passengers are clear of the rear seatback before operating it.
●To prevent hands and other body parts from being caught, keep them away from the
gaps in the seats and the moving parts of the seats when operating a rear seatback.
●Power seat: Do not let children operate th e rear seatback. Other passengers may get
caught in the seat.
●Power seat: Make sure that a ll passengers are clear of a seat before folding it. Do not
let passengers sit in the seat while it is being folded.
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1703-3. Adjusting the seats
RX350/RX350L_U
WARNING
■Seat adjustment
●Second-row seats: To reduce the risk of sliding under the lap belt during a collision,
do not recline the seat more than necessary.
If the seat is reclined excessively, the la p belt may slide past the hips and apply
restraint forces directly to the abdomen, or your neck may contact the shoulder belt,
increasing the risk of de ath or serious injury in the event of an accident.
●Adjustments should not be made while dr iving as the seat may unexpectedly move
and cause the driver to lose control of the vehicle.
■After adjusting the rear seats
Observe the following precautions.
Failure to do so may result in death or serious injury.
●Manual seats: Make sure that the rear se atback is securely locked in position by
lightly pushing it back and forth.
●Check that the seat belts are not twisted or caught between or behind in the rear
seatback.
■Jam protection function (power seats)
Observe the following precautions.
Failure to do so may result in death or serious injury.
●Never use any part of your body to intentionally activate the jam protection function.
●The jam protection function may not operate if something is caught just before the
fully folded position. Be careful so th at fingers, etc. do not get caught.
●The jam protection function may not operat e depending on the shape or position of
the obstruction. Be careful so that fingers, etc. do not get caught.
■Precautions for third-row seat (RX350L)
When operating a third-row seat, make sure to press and hold the switch until the third-
row seat seatback is complete ly folded/upright. Do not use a third-row seat in a posi-
tion other than the completely upright position, as doing so may lead to death or seri-
ous injury in an accident. (If the switch is released while the seatback is still moving, a
buzzer will sound continuously until the seatback is completely folded/upright.)

1763-3. Adjusting the seats
RX350/RX350L_U
■Cancelation procedure
Carry only the key you want to cance l and then close the driver’s door.
If 2 or more keys are in the vehicle, the driving position cannot be canceled
properly.
Turn the engine switch to IGNITION ON mode.
While pressing the “SET” button, pr ess and hold the door lock switch
(either lock or unlock) un til the buzzer sounds twice.
If it button could not be canceled, the buzzer sounds continuously for approxi-
mately 3 seconds.
■Recalling the driving position using the memory recall function
●Different driving positions can be registered for each electronic key. Therefore, the
driving position that is recalled may be di fferent depending on the key being carried.
●If a door other than the driver’s door is unlocked with the smart access system with
push-button start, the driving position cannot be recalled. In this case, press the driving
position button which has been set.
■Customization
Some functions can be customized. ( P. 722)
WARNING
■Seat adjustment caution
Take care during seat adjustment so that th e seat does not strike the rear passenger or
squeeze your body against the steering wheel.
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1793-3. Adjusting the seats
3
Operation of each component
RX350/RX350L_U
Third-row seats
■Adjusting the height of the head restraints
■Adjusting the second-row center and third-row seat head restraints
Always raise the head restraint one leve l from the stowed position when using.
Align the head restraint with the installation
holes and push it down to the lock position.
Press and hold the lock release button when
lowering the head restraint.
Make sure that the head restraints are adjusted
so that the center of the
head restraint is closest
to the top of your ears.
WARNING
■Head restraint precautions
Observe the following precautions regarding the head restraints.
Failure to do so may result in death or serious injury.
●Use the head restraints designed for each respective seat.
●Adjust the head restraints to th e correct position at all times.
●After adjusting the head restraints, push down on them and make sure they are
locked in position.
●Do not drive with the head restraints removed.
Lock release
button

1813-4. Adjusting the steering wheel and mirrors
3
Operation of each component
RX350/RX350L_U
■The steering wheel can be adjusted when
The engine switch is in ACCESSORY or IGNITION ON mode
*.
*: If the driver’s seat belt is fastened, the steering wheel can be adjusted regardless ofengine switch mode.
■Automatic adjustment of the steering position (if equipped)
A desired steering position ca n be entered to memory and recalled automatically by the
driving position memory system. ( P. 172)
■Power easy access system
The steering wheel and driver’s seat (on some models) move in accordance with engine
switch mode and the driver’s seat belt condition. ( P. 172)
■Customization
Some functions can be customized. ( P. 722)
WARNING
Do not adjust the steeri ng wheel while driving.
Doing so may cause the driver to mishandle the vehicle and cause an accident, result-
ing in death or serious injury.

1833-4. Adjusting the steering wheel and mirrors
3
Operation of each component
RX350/RX350L_U
■To prevent sensor error
To ensure that the sensors operate properly, do
not touch or cover them.
WARNING
Do not adjust the position of the mirror while driving.
Doing so may lead to mishandling of the vehicle and cause an accident, resulting in
death or serious injury.

1863-4. Adjusting the steering wheel and mirrors
RX350/RX350L_U
■Mirror angle can be adjusted when
The engine switch is in ACCESSORY or IGNITION ON mode.
■When disconnecting and reconnecting batter y terminals (vehicles with an automatic
folding/extending mirror function)
The automatic folding/extending mirror function will return to off as default. To turn the
function on, press the switch again to select on.
■When the mirrors are fogged up
The outside rear view mirrors can be cleare d using the mirror defoggers. Turn on the
rear window defogger to turn on the outside rear view mirror defoggers. ( P. 513)
■Automatic adjustment of the mirror angle (if equipped)
A desired mirror face angle can be entered to memory and recalled automatically by the
driving position memory. ( P. 172)
■Auto anti-glare function (if equipped)
When the anti-glare inside re ar view mirror is set to automatic mode, the outside rear
view mirrors will activate in conjunction with the anti-glare inside rear view mirror to
reduce reflected light. ( P. 182)
■Using automatic mode in cold weather (if equipped)
When automatic mode is used in cold weather, the door mirror could freeze up and
automatic stowing and return may not be possible. In this case, remove any ice and snow
from the door mirror, then either operate th e mirror using manual mode or move the mir-
ror by hand.
■Customization
Some functions can be customized. ( P. 722)
WARNING
■Important points while driving
Observe the following precautions while driving.
Failing to do so may result in loss of control of the vehicle and cause an accident, result-
ing in death or serious injury.
●Do not adjust the mirrors while driving.
●Do not drive with the mirrors folded.
●Both the driver and passenger side mirrors must be extended and properly adjusted
before driving.
■When a mirror is moving
To avoid personal injury and mirror malfunctio n, be careful not to get your hand caught
by the moving mirror.
■When the mirror defoggers are operating
Do not touch the rear view mirror surfaces, as they can become very hot and burn you.

1893-5. Opening, closing the windows and moon roof
3
Operation of each component
RX350/RX350L_U
■Door lock linked window operation
●The power windows can be opened and closed using the mechanical key.* ( P. 685)
●The power windows can be opened using the wireless remote control.* (P. 124)
*: These settings must be cust omized at your Lexus dealer.
■Alarm
The alarm may be triggered if the alarm is set and a power window is closed using the
door lock linked power window operation function. ( P. 77)
■When the battery is disconnected
The window lock switch is disabled. If necessary, press the window lock switch after
reconnecting the battery.
■Power windows open warning buzzer
A buzzer sounds and a message is shown on the multi-information display in the instru-
ment cluster when the engine switch is turned off and the driver’s door is opened with the
power windows open.
■Customization
Some functions can be customized. ( P. 722)