2019 LEXUS RCF warning

160 3-2. Opening, closing and locking the doors and trunk
RC F_U ■
When the vehicle is not driven for extended periods ●
To prevent theft of the vehicle, do not leave the electronic key within 6 ft. (2 m) of the
vehicle. ●
The smart access system wi th push-button start can be deactivated in advance.
(  P. 569)■
To operate the system properly ●
Make sure to carry the electr onic key when operating the system. Do not get the elec-
tronic key too close to the vehicle when operating the system from the outside of the
vehicle.
Depending on the position and holding condit ion of the electronic key, the key may not
be detected correctly and the system may no t operate properly. (The alarm may go off
accidentally, or the door lock prev ention function may not operate.)●
Do not leave the electronic key inside the trunk.
The key confinement prevention function ma y not operate, depending on the location
of the key (close to a spare tire [if equipped], the inside edge of the trunk), conditions
(inside a metal bag, close to metallic obje cts) and the radio waves in the surrounding
area. (  P. 153)■
If the smart access system with push-button start does not operate properly ●
Locking and unlocking the d oors and opening the trunk:  P. 518●
Starting the engine:  P. 520■
Customization
Settings (e. g. smart access system with push-button start) can be changed.
(Customizable features:  P. 569)■
If the smart access system with push-button start has been deactivated in a customized
setting ●
Locking and unlocking the d oors and opening the trunk:
Use the wireless remote cont rol or mechanical key. (  P. 145, 151, 518)●
Starting the engine and changing engine switch modes:  P. 520●
Stopping the engine:  P. 207
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. 156)
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.

1633-3. Adjusting the seats
3
Operation of each component
RC F_U 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 se at 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. ■
Lever-operated “Front, Fold & Return” seat ●
Before operating the lever-operated “Front, Fold & Return” seat, ensure that any sur-
rounding passengers or objects will not contact the seat.●
Make sure the seatback is lo cked securely before driving.●
Never operate the lever-operated “Front, Fold & Return” seat while the vehicle is
moving. ■
Jam protection function
Do not use a hand, foot, or an y other part of your body to intentionally activate the jam
protection function.

1653-3. Adjusting the seats
3
Operation of each component
RC F_U WARNING
Observe the following precautions. Failure to do so may result in death or serious injury.■
When folding the re ar seatbacks down●
Do not fold the seatbacks down while driving. ●
Stop the vehicle on level ground, set the pa rking brake and shift the shift lever to P.●
Do not allow anyone to sit on a folded seatback or in the trunk while driving.●
Do not allow children to enter the trunk. ■
After returning the rear seat back to the upright position
●
Check that the seat belts are not twisted or caught in the seatback. ●
Make sure that the seatback is securely
locked in position by lightly pushing it back
and forth.
If the seatback is not securely locked, the red
marking will be visible on the seatback lock
release knob. Make sure that the red marking
is not visible.

170 3-3. Adjusting the seats
RC F_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 the button could not be canceled, the buzzer sounds contin uously 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
The unlock door settings of the memory recall function can be changed.
(Customizable features:  P. 569)
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. 1
2

1733-3. Adjusting the seats
3
Operation of each component
RC F_U ■
Adjusting the height of the head restraints
■
Adjusting the rear seat head restraint
Always raise the head restraint one leve l from the stowed position when using.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 th e head restraints. Failure to do so may
result in death or serious injury. ●
Use the head restraints design ed 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.

1753-4. Adjusting the steering wheel and mirrors
3
Operation of each component
RC F_U To sound the horn, press on or close to
the mark. ■
The steering wheel can be adjusted when (power type)
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 of
engine 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. 166)■
Power easy access system (power type)
The steering wheel and driver’s seat move in accordance with engine switch mode and
the driver’s seat belt condition. (  P. 166)Horn
WARNING ■
Caution while driving
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. ■
After adjusting the steering wheel (manual type)
Make sure that the steering wheel is securely locked.
Otherwise, the steering wheel may move su ddenly, possibly causing an accident, and
resulting in death or serious injury. Also, th e horn may not sound if the steering wheel is
not securely locked.

1773-4. Adjusting the steering wheel and mirrors
3
Operation of each component
RC F_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.

1813-4. Adjusting the steering wheel and mirrors
3
Operation of each component
RC F_U WARNING ■
Important points while driving
Observe the following precautions while driving.
Failure to do so may result in loss of contro l 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 the mirror defoggers are operating
Do not touch the rear view mirror surfaces, as they can become very hot and burn you.