warning LEXUS RX450H 2016 Repair Manual

1413-2. Opening, closing and locking the doors
3
Operation of each component
RX450h_U_OM0E013U
■Conditions affecting the operation of the smart access system with push-button start
or wireless remote control
 P. 160
■Customization
Some functions can be customized. ( P. 607)
WARNING
■To prevent an accident
Observe the following precautions while driving the vehicle.
Failure to do so may result in a door opening and an occupant falling out, resulting in
death or serious injury.
●Ensure that all doors are properly closed and locked.
●Do not pull the inside handle of the doors while driving.
Be especially careful for the front doors, as the doors may be opened even if the
inside lock buttons are in locked position.
●Set the rear door child-protector locks wh en children are seated in the rear seats.
■When opening or closing a door
Check the surroundings of the vehicle such as whether the vehicle is on an incline,
whether there is enough space for a door to open and whether a strong wind is blow-
ing. When opening or closing the door, hold the door handle tightly to prepare for any
unpredictable movement.

1523-2. Opening, closing and locking the doors
RX450h_U_OM0E013U
WARNING
Observe the following precautions.
Failure to do so may cause parts of the body to be caught, resulting in death or serious
injury.
■Before driving the vehicle
Before driving the vehicle, ma ke sure that the power back door is fully closed. If the
power back door is not fully closed, it may open unexpectedly while driving, causing an
accident.
■Caution while driving
●Keep the power back door closed while driving.
If the power back door is left open, it ma y hit nearby objects while driving or luggage
may be unexpectedly thrown out, causing an accident.
In addition, exhaust gases may enter the ve hicle, causing death or a serious health
hazard. Make sure to close the power back door before driving.
●Never let anyone sit in the luggage compartment.
In the event of sudden braking, sudden swerving or a collision, they are susceptible to
death or serious injury.
■When children are in the vehicle
Observe the following precautions.
Failure to do so may result in death or serious injury.
●Do not allow children to play in the luggage compartment.
If a child is accidentally lo cked in the luggage compartment, they could have heat
exhaustion or other injuries.
●Do not allow a child to open or close the power back door.
Doing so may cause the power back door to move unexpectedly, or cause the child’s
hands, arms, head, or neck to be caught by the closing power back door. (The power
back door will not operate when it is disabled: P. 112)

1533-2. Opening, closing and locking the doors
3
Operation of each component
RX450h_U_OM0E013U
WARNING
■Operating the power back door
Observe the following precautions.
Failure to do so may cause parts of the body to be caught, resulting in death or serious
injury.
●Remove any heavy loads, such as snow and ice, from the power back door before
opening it. Failure to do so may cause the power back door to suddenly shut again
after it is opened.
●When opening or closing the power back door, thoroughly check to make sure the
surrounding area is safe.
●If anyone is in the vicinity, make sure they are safe and let them know that the power
back door is about to open or close.
●Use caution when opening or closing the power back door in windy weather as it may
move abruptly in strong wind.
●Do not pull on the back door spindle ( P. 156) to close the power back door, and
do not hang on the back door spindle.
Doing so may cause hands to be caught or the back door spindle to break, causing
an accident.
●If a bicycle carrier or similar heavy object is attached to the power back door, it may
suddenly shut again after being opened, causing someone’s hands, arms, head or
neck to be caught and injured. When inst alling an accessory part to the power back
door, using a genuine Lexus part is recommended.
●The power back door may suddenly shut if it is
not opened fully, while on a steep incline.
Make sure that the power back door is secure
before using the luggage compartment.
●When closing the power back door, take
extra care to prevent your fingers, etc., from
being caught.
●When closing the power back door, make
sure to press it lightly on its outer surface. If
the back door handle is used to fully close the
power back door, it may result in hands or
arms being caught.

1543-2. Opening, closing and locking the doors
RX450h_U_OM0E013U
WARNING
■Back door closer
●Use caution when using the back door closer as it still operates when the power back
door system is disabled.
■Power back door
Observe the following precautions wh en operating the power back door.
Failure to do so may cause death or serious injury.
●Check the safety of the surrounding area to make sure there are no obstacles or any-
thing that could cause any of yo ur belongings to get caught.
●If anyone is in the vicinity, make sure they are safe and let them know that the power
back door is about to open or close.
●If the power back door system is disabled ( P. 112) while the power back door is
operating, the power back door will stop operating. The power back door must then
be operated manually. Take extra care in th is situation, as the power back door may
open or close suddenly.
●If the operating conditions of the power back door ( P. 147) are no longer met, a
buzzer may sound and the power back door may stop opening or closing. The power
back door must then be operated manually. Ta ke extra care on an incline in this situa-
tion, as the power back door may move suddenly.
●On an incline, the power back door may suddenly shut after it opens. Make sure the
power back door is fully open and secure.
●In the following situations, the power back door may detect an abnormality and auto-
matic operation may be stopped. In this case, the power back door must then be
operated manually. Take extra care in this situation, as the stopped power back door
may suddenly open or close, causing an accident.
• When the power back door contacts an obstacle
• When the 12-volt battery voltage suddenly drops, such as when the power switch is turned to ON mode or the hybrid syst em is started during automatic operation
●In the event that the power back door is left
slightly open, the back door closer will auto-
matically close it to the fully closed position. It
takes several seconds before the back door
closer begins to operate. Be careful not to get
fingers caught or anything else in the power
back door, as this may cause bone fractures
or other serious injuries.

1553-2. Opening, closing and locking the doors
3
Operation of each component
RX450h_U_OM0E013U
WARNING
●If a bicycle carrier or similar heavy object is attached to the power back door, the
power back door may not operate, causin g a malfunction, or the power back door
may suddenly shut again after being opened, causing someone’s hands, arms, head
or neck to be caught and injured. When installing an accessory part to the power
back door, using a genuine Lexus part is recommended.
■Jam protection function
Observe the following precautions.
Failure to do so may cause death or serious injury.
●Never use any part of your body to intentionally activate the jam protection function.
●The jam protection function may not work if something gets caught just before the
power back door fully closes. Be careful not to get fingers caught or anything else.
●The jam protection function may not work depending on the shape of the object that
is caught. Be careful not to catch fingers or anything else.

1593-2. Opening, closing and locking the doors
3
Operation of each component
RX450h_U_OM0E013U
■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. 543)
The following table describes circumstan ces and correction procedures when only
alarms are sounded.
■If a warning message is displayed indicating that there is a malfunction in the smart
access system with push-button start
 P. 543
■Battery-saving function
The battery-saving function w ill be activated in order to prevent the electronic key bat-
tery and the 12-volt battery from being discha rged 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 le ft in an area of approximately 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 doors except the driver’s door. In this case,
take hold of the driver’s d oor handle, or use the wireless remote control or the mechan-
ical key, to unlock the doors.
AlarmSituationCorrection procedure
Exterior alarm
sounds once for 5
secondsAn attempt was made to lock
the vehicle while a door was
open.Close all of the doors and
lock the doors again.
Interior alarm pings
repeatedly
The power switch was turned to
ACCESSORY mode while the
driver’s door was open (The
driver’s door was opened when
the power switch was in
ACCESSORY mode).
Turn the power switch off
and close the driver’s door.

1633-2. Opening, closing and locking the doors
3
Operation of each component
RX450h_U_OM0E013U
■Certification for the smart access system with push-button start
For vehicles sold in the U.S.A.
FCC ID: HYQ23AAP
FCC ID: HYQ14FBB
FCC ID: NI4TMLF15-2
NOTE:
This device complies with part 15 of the FC C Rules. Operation is subject to the following
two conditions: (1) This device may not caus e harmful interference, and (2) this device
must accept any interference received, includ ing interference that may cause undesired
operation.
FCC WARNING:
Changes or modifications not expressly approved by the party responsible for compli-
ance could void the user’s authority to operate the equipment.
For vehicles sold in Canada
NOTE:
This device complies with Industry Canada licence-exempt RSSs. Operation is subject
to the following two conditions: (1) This devi ce may not cause interference; and (2) This
device must accept any interference, includ ing interference that may cause undesired
operation of the device.
NOTE:
This device complies with Industry Canada licence-exempt RSS standard(s). Operation
is subject to the following two conditions: (1) this device may not cause interference, and
(2) this device must accept any interference, including interference that may cause
undesired operation of the device.
WARNING
■Caution regarding interference with electronic devices
●People with implantable cardiac pacemakers, cardiac resynchronization therapy-
pacemakers or implantable cardioverter de fibrillators should keep away from the
smart access system with push-button start antennas. ( P. 158)
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.

164
RX450h_U_OM0E013U3-3. 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 and steering wheel move
in accordance with power switch mode and
the driver’s seat belt condition. ( P. 174)
Front seats
Adjustment procedure
1
2
3
4
5
6
7
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 belt 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 shoulder 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.

1723-3. Adjusting the seats
RX450h_U_OM0E013U
WARNING
■When folding down the rear seatbacks and when the rear seatbacks are 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.
●Keep other passengers from being hit by the rear seatback.
●Do not put your hands between the seats or near the moving parts, or let any part of
your body get caught.
●Power seat: Do not let children operate th e rear seatback. Other passengers may get
caught in the seat.
●Power seat: Check that there are no passengers sitting in a seat before folding it
down. Do not let passengers sit in the seat while it is being folded down.
■Seat adjustment
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 lap belt may slide past the hips and apply restraint
forces directly to the abdomen, or your ne ck may contact the shoulder belt, increasing
the risk of death or serious inju ry 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.
■After returning the rear seat back to the upright position
Observe the following precautions.
Failure to do so may result in death or serious injury.
●Make sure that the rear seatback 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.

1733-3. Adjusting the seats
3
Operation of each component
RX450h_U_OM0E013U
WARNING
■Jam protection function (power seat)
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 work if something gets caught just before the
rear seatback is fully folded forward. Be careful not to get fingers or anything else
caught.
●The jam protection function may not work depending on the shape of the object that
is caught. Be careful not to get fingers or anything else caught.
NOTICE
■Stowing the seat belts
The seat belt for the rear center seat, se at belt buckles and armrest must be stowed
before you fold down the rear seatbacks. ( P. 443)