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1373-2. Opening, closing and locking the doors
3
Operation of each component
RX350_U_OM48E90U ■
Back door closer
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. ●
The back door closer can function when the engine switch is in any mode.●
The power back door can be opened using th e back door opener switch even if the
back door closer is operating. ■
Operation of the power back door ●
When the power back door begins to operate, the emergency flashers will flash twice
and a buzzer will sound. ●
When the power back door is disabled ( P. 100), the power back door will not oper-
ate but can be opened and closed manually. ●
The power back door turns to manual operat ion when the back door opener switch is
pressed while the power back door is in an automatic opening/closing operation.●
If anything obstructs the po wer back door while opening, a buzzer will sound and the
power back door will stop immediately. If anything obstructs the power back door while
closing, a buzzer will sound and the power back door will automatically move slightly in
the opposite direction and then stop. ■
Back door reserve lock function
This function reserves the locking of the po wer back door when the power back door is
open. If the following operations are performed, all of the doors except the power back
door will lock and then the power back door will lock when it is completely closed.
Close all of the doors, ex cept the power back door.
Perform an automatic closing operation of the power back door and lock the doors
using the wireless remote control ( P. 124) or smart access system with push-button
start ( P. 124, 130) while the power back door is closing. 1
2
Page 138 of 748

138 3-2. Opening, closing and locking the doors
RX350_U_OM48E90U ■
Close & lock function
When the power back door is open, this fu nction closes the power back door and then
locks all of the doors simultaneously.
Performing the following procedure will lock all of the doors when the power back door
is completely closed.
Close all of the doors except the power back door.
While carrying an electronic key, press the
switch on the lower part of the
power back door ( P. 1 3 3 ) t w i c e .
A different buzzer than the normal one will sound and then the power back door will
begin closing automatically. When the power ba ck door is closed, all of the doors will
lock simultaneously and operation signals wi ll indicate that all of the doors have been
locked.
To enable this function, the following conditions must be met: ●
The most recent power back door operation was an automatic opening operation and
the power back door is stopped. ●
No electronic keys for your vehicle are in the vehicle. ■
When reconnecting the battery
To enable the power back door to operate pr operly, close the power back door manually.■
Jam protection function
■
Returning the power back door open ing position to the default settingSensors are installed in th e right and left sides of
the power back door. When the door is auto-
matically closing and the sensors are pushed
due to an object being caught, etc., the jam pro-
tection function will operate.
From that position the door will automatically
move a little in the opposite direction and then
the function will stop.
Press and hold the switch on the lower
part of the power back door for 7 seconds.
A buzzer will sound twice. The next time the
power back door is open ed, it will op en to the
default position. 1
2
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1393-2. Opening, closing and locking the doors
3
Operation of each component
RX350_U_OM48E90U ■
Situations in which the close & lock function may not operate properly
In the following situations, the close & lock function may not operate properly: ●
If the
switch on the lower part of the power back door ( P. 1 3 3 ) i s p r e s s e d b y a
hand which is holding an electronic key ●
If the
switch on the lower part of the power back door ( P. 133) is pressed
when the electronic key is in a bag, etc. that is placed on the ground ●
If the
switch on the lower part of the power back door ( P. 1 3 3 ) i s p r e s s e d w i t h
the electronic key not near the vehicle. ■
Situations in which the touchless sensor may malfunction (vehicles with a touchless
power back door)
In the following situations, the touchl ess sensor may operate unintentionally.
To prevent unintentional operation, keep the electronic key out of the operational range
or disable the touchless sensor operation. ( P. 100)●
When a large amount of water is applied to the rear emblem, such as in heavy rain ●
When the vehicle is being washed and water is applied to the rear emblem ●
When dirt is wiped off the rear emblem ●
If someone leans toward or against the rear emblem ●
When a metal object is brought near the rear emblem ●
When a vehicle cover is installed or removed near the rear emblem ■
Situations in which the touchless sensor may not operate properly (vehicles with a
touchless power back door)
If the touchless sensor does not operate in the following situations, use the back door
opener switch to open the power back door. ( P. 1 3 3 )●
In the following situations, the sensitivity of the touchless sensor may be temporarily
reduced and the touchless sensor may not operate:
• When a large amount of water is applied to the rear emblem, such as in heavy rain
• When the vehicle is being washed and water is applied to the rear emblem
• For several seconds after dirt is wiped off the rear emblem
• When the rear emblem is covered with mud, snow, ice, etc.
• When the vehicle has been parked for a while near objects that may move and con-
tact the rear emblem, such as tall grass or trees
• When an external radio wave sour ce is near the touchless sensor●
The touchless sensor may not operate in the following situations:
• When an electronic key is not being carried
• When an electronic key is not within the operational range
• When an external radio wave source interferes with the communication between
the vehicle and electronic key ( P. 1 4 8 )
• When the power back door is not fully closed
• When a hand is held parallel to the rear emblem
*
* : The detection settings can be changed by your Lexus dealer. ( P. 7 0 2 )■
Customization
Some functions can be customized. ( P. 9 6 , 6 9 9 )
Page 140 of 748

140 3-2. Opening, closing and locking the doors
RX350_U_OM48E90U WA R N I N G
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, make 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 le ft open, it may hit nearby ob jects 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 locked 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. 1 0 0 )
Page 141 of 748

1413-2. Opening, closing and locking the doors
3
Operation of each component
RX350_U_OM48E90U WA R N I N G ■
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 d oor, 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 powe r back door in windy weather as it may
move abruptly in strong wind.
●
Do not pull on the back door spindle ( P. 144) 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 installing 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 lu ggage 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.
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142 3-2. Opening, closing and locking the doors
RX350_U_OM48E90U WA R N I N G ■
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 when 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 your 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. 100) 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 this situation, as the power back door may
open or close suddenly. ●
If the operating conditions of the power back door ( P. 135) 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. Take 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 battery voltage suddenly drops, such as when the engine switch is
turned to IGNITION ON mode or the engine is started during automatic opera-
tion ●
In the event that the power back door is left
slightly open, th e 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.
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1433-2. Opening, closing and locking the doors
3
Operation of each component
RX350_U_OM48E90U WA R N I N G ●
If a bicycle carrier or similar heavy object is attached to the power back door, the
power back door may not operate, causing a malfunction, or the power back door
may suddenly shut again after being open ed, 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 intentio nally 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 no t 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.
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144 3-2. Opening, closing and locking the doors
RX350_U_OM48E90U NOTICE ■
Back door spindles
The power back door is equipped with spindles that hold the power back door in place.
Observe the following precautions.
Failure to do so may cause damage to the b ack door spindle, resulting in malfunction.
■
To prevent back door closer malfunction ●
Do not apply excessive force to the power back door while the back door closer is
operating. Applying excessive force may ca use the back door closer to malfunction.●
If the power back door is opened and closed repeatedly in a short amount of time, the
back door closer may stop operating. In this case, manually open the power back
door once and wait for a while before attempting to close it again. ■
To prevent malfunction of the power back door ●
Make sure that there is no ice between the power back door and frame that would
prevent movement of the power back door. Operating the power back door when
excessive load is present on the powe r back door may cause a malfunction.●
Do not apply excessive force to the power back door while the power back door is
operating. ●
Take care not to damage the sensors installed on the right and left edges of the power
back door ( P. 138) with a knife or other sharp object. If a sensor is disconnected,
the power back door will not close automatically. ●
Do not attach any fore ign objects, such as
stickers, plastic sheets, or adhesives to the
spindle rod. ●
Do not attach any accessories other than
genuine Lexus parts to the power back door. ●
Do not place your hand on the spindle or
apply lateral forces to it.
Spindles