warning Lexus IS350 2019 / 2019 IS300,IS350 (OM53E71U) Workshop Manual

1343-2. Opening, closing and locking the doors and trunk
IS350 AWD/IS350/IS300 AWD/IS300_U
WARNING
■Using the trunk
Observe the following precautions.
Failure to do so may cause parts of the body to be caught, resulting in serious injury.
●Remove any heavy loads, such as snow and ice, from the trunk lid before opening it.
Failure to do so may cause the trunk lid to suddenly shut again after it is opened.
●When opening or closing the trunk lid, thoroughly check to make sure the surround-
ing area is safe.
●If anyone is in the vicinity, make sure they are safe and let them know that the trunk is
about to open or close.
●Use caution when opening or closing the tr unk lid in windy weather as it may move
abruptly in strong wind.
●Do not attach any accessories other than genuine Lexus parts to the trunk lid. Such
additional weight on the trunk lid may cause the lid to suddenly shut again after it is
opened.
●The trunk lid may suddenly shut if it is not
opened fully. It is more difficult to open or
close the trunk lid on an incline than on a level
surface, so beware of the trunk lid unexpect-
edly opening or closin g by itself. Make sure
that the trunk lid is fully open and secure
before using the trunk.
●When closing the trunk li d, take extra care to
prevent your fingers etc. from being caught.
●When closing the trunk lid, make sure to
press it lightly on its outer surface. If the trunk
handle is used to fully close the trunk lid, it
may result in hands or arms being caught.

1363-2. Opening, closing and locking the doors and trunk
IS350 AWD/IS350/IS300 AWD/IS300_U
■Alarms and warning messages
A combination of exterior and interior alar ms as well as warning messages shown on the
multi-information display are used to prevent theft of the vehicle and accidents resulting
from erroneous operation. Take appropriate measures in response to any warning mes-
sage on the multi-information display. ( P. 532)
When only an alarm sounds, circumstances and correction procedures are as follows.
■If a warning message is displayed indicating that there is a malfunction in the smart
access system with push-button start
 P. 532
■Battery-saving function
The battery-saving function w ill be activated in order to prevent the electronic key bat-
tery and the vehicle battery from being discharged while the vehicle is not in operation
for a long time.
●In the following situations, the smart acce ss system with push-button start may take
some time to unlock the doors.
• The electronic key has been left within appr oximately 6 ft. (2 m) of the outside of the
vehicle for 10 minutes or longer.
• The smart access system with push-button st art has not been used for 5 days or lon-
ger.
●If the smart access system with push-button start has not been used for 14 days or lon-
ger, the doors cannot be unlocked at any door except the driver’s door. In this case,
hold the driver’s door handle, or use the wi reless remote control or mechanical key, to
unlock the doors.
AlarmSituationCorrection procedure
Exterior alarm
sounds once for 5
seconds
An attempt was made to lock
the vehicle while a door was
open.Close all of the doors and
lock the doors again.
The trunk was closed while the
electronic key was still inside the
trunk and all the doors were
locked.Retrieve the electronic key
from the trunk and close
the trunk lid.
Interior alarm pings
repeatedly
The engine switch was turned to
ACCESSORY mode while the
driver’s door was open (The
driver’s door was opened when
the engine switch was in
ACCESSORY mode).
Turn the engine switch off
and close the driver’s door.
The engine switch was turned
off while the driver’s door was
open.
Close the driver’s door.

1423-2. Opening, closing and locking the doors and trunk
IS350 AWD/IS350/IS300 AWD/IS300_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. 135)
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.

1443-3. Adjusting the seats
IS350 AWD/IS350/IS300 AWD/IS300_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 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.

1463-3. Adjusting the seats
IS350 AWD/IS350/IS300 AWD/IS300_U
WARNING
Observe the following precautions. Failure to do so may result in death or serious injury.
■When folding the rear 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 seatback 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.

1513-3. Adjusting the seats
3
Operation of each component
IS350 AWD/IS350/IS300 AWD/IS300_U
■Cancelation procedure
Carry only the key you want to cancel and then close the driver’s door. If 2 or
more keys are in the vehicle, the driv ing 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 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 system, 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 memo ry recall function can be customized.
(Customizable features: P. 613)
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

1543-3. Adjusting the seats
IS350 AWD/IS350/IS300 AWD/IS300_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 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.

1563-4. Adjusting the steering wheel and mirrors
IS350 AWD/IS350/IS300 AWD/IS300_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. 147)
■Power easy access system (if equipped)
The steering wheel and driver’s seat move in accordance with engine switch mode and
the driver’s seat belt condition. ( P. 147)
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.

1583-4. Adjusting the steering wheel and mirrors
IS350 AWD/IS350/IS300 AWD/IS300_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 vehi cle and cause an accident, resulting in death
or serious injury.

1613-4. Adjusting the steering wheel and mirrors
3
Operation of each component
IS350 AWD/IS350/IS300 AWD/IS300_U
WARNING
■Important points while driving
Observe the following precautions while driving.
Failure 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 the mirror defoggers are operating
Do not touch the rear view mirror surfaces, as they can become very hot and burn you.