2018 LEXUS RX450h door lock

142 3-2. Opening, closing and locking the doors
RX450h_RX450hL _U_OM48F85U◆ Smart access system with push-button start
Carry the electronic key to enable
this function.
Locks all the doors Check that the door is securely
locked.
Unlocks all the doors The doors cannot be unlocked for 3
seconds after the doors are locked.
◆ Wireless remote control
→ P. 136
◆ Door lock switch
→ P. 138
Press and hold the switch for approxi-
mately 1 second. The power back door can be operated
whether it is locked
* or unlocked.
Pressing the switch while the power
back door is opening/closing will stop
the operation.
Pressing and holding the switch again
for approximately 1 second will operate
the power back door in the opposite
direction.
* : Opening of the power back door when it is locked can be disabled by a customized
setting. ( → P. 741)Power back door The power back door can be locked/unlocked and opened/closed by the fol-
lowing procedures.
Locking and unlocking the power back door from the outside 1
2
Locking and unlocking the power back door from the inside
Opening/closing the power back d oor using the wireless remote con-
trol

1433-2. Opening, closing and locking the doors
3
Operation of each component
RX450h_RX450hL _U_OM48F85UPress and hold the switch for approxi-
mately 1 second. A buzzer will sound and the power back
door will automatically open or close.
However, if the power back door is
locked, it will not open.
Pressing the switch while the power
back door is opening/closing will stop
the operation.
Pressing and holding the switch again
for approximately 1 second will operate
the power back door in the opposite
direction.
■
Back door opener switch
When the power back door is
unlocked: Press the back door
opener switch.
When the power back door is
locked: While carrying an elec-
tronic key, press and hold the back
door opener switch. A buzzer will sound and the power
back door will automatically open.
Pressing the switch while the power back door is opening/closing will stop the
operation.■
Wireless remote control
→ P. 142Opening/closing the power back door from the inside
Opening the power back door from the outside

144 3-2. Opening, closing and locking the doors
RX450h_RX450hL _U_OM48F85U■
Touchless sensor (vehicles with a touchless power back door)
The touchless power back door enable s automatic opening of the power back
door by holding a hand over the upper part of the rear emblem or touching
the upper part of the rear emblem. When operating the touchless power back
door, make sure that the touchle ss sensor operation is enabled ( → P. 112) and
that you are carrying an electronic key.
While carrying an electronic key, move your hand slowly toward the upper
part of the rear emblem and hold it there until a buzzer sounds. (The upper
part of the rear emblem can also be touched.) When all of the doors are locked: When your hand is detected, all of the doors will
be unlocked.
Immediately after the buzzer so unds, move your hand away.If you do not move your hand away, a buzzer will sound twice and the power back
door will not operate.
Check that the power back door begins to open. To stop the power back door partway, touch the rear emblem.
To operate the power back door again, use a power back door switch. ( → P. 143,
145) (Holding your hand over the upper part of the rear emblem will not operate
the touchless sensor again.) 1
2
3

1453-2. Opening, closing and locking the doors
3
Operation of each component
RX450h_RX450hL _U_OM48F85U■
Using the power back door switch to close the power back door
Press the switch. A buzzer will sound and the power
back door will automatically close.
Pressing the
switch while the
power back door is closing will stop
the operation. Pressing the switch
again will open th e power back door
automatically. 
Close & lock function
Press the switch twice. A different buzzer than the normal one will sound and the power back door will
begin closing automatically. When the power back door is closed, all of the doors
will lock simultaneously and operation signal s will indicate that all of the doors have
been locked.
If the
switch is pressed while the power back door is closing, the operation
will stop.
Pressing the switch again will open the power back door automatically.■
Using the back door handle to close the power back door
Lower the power back door using
the back door handle. A buzzer will sound and the power
back door will automatically close.Closing the power back door from the outside

146 3-2. Opening, closing and locking the doors
RX450h_RX450hL _U_OM48F85UThe power back door settings can be ch anged on the multi-information display.
( → P. 108)
The position at which the power back d oor will stop when opened automatically
can be changed. 
When setting using the switch
Stop the power back door at the desired position. ( → P. 143, 145)
Press and hold the switch on
the lower part of the power back
door for 2 seconds.
• When setting is complete, a
buzzer will sound 4 times.
• The next time the power back
door is opened, it will stop at that
position. 
When setting using the multi-information display
The open position can be set usin g the multi-information display. ( → P. 101)
When setting on the audio system screen
The open position can be set on the audio system screen. ( → P. 739)
Priority for the open position is give n to the last position set using the
switch, multi-information displa y, or audio system screen.
To return the adjusted open posi tion to the default position ( → P. 150)Changing the setting of the power back door system
Adjusting the open position of the power back door 1
2

1473-2. Opening, closing and locking the doors
3
Operation of each component
RX450h_RX450hL _U_OM48F85U■
Power back door op erating conditions
If the following conditions are met with the power back door operation enabled ( → P. 112),
the power back door can be opened and closed automatically. ●
When an electronic key is being carried an d the back door opener switch is pressed
*●
When the wireless remote control is used
*●
When the power switch is in ON mode, the vehicle speed must be lower than 2 mph (3
km/h) and one of the following conditions mu st be met in addition to the above condi-
tions:
• The parking brake is engaged.
• The brake pedal is depressed.
• The shift lever is in P.
* : When the operation of the power back door when it is locked has been disabled by a
customized setting, operate the power back door after it has been unlocked.
( → P. 741) 
Touchless sensor (vehicles with a touchless power back door)
The power back door will open automatically when the touchless sensor operation is
enabled ( → P. 112) and the following conditions are met:●
The power back door is fully closed. ●
The electronic key is with in the operational range ( → P. 158)
■
Security feature
If the power back door is not opened within approximately 60 seconds after the vehicle
is unlocked, the security feature will automatically lock the doors again. ●
A hand is held over the upper part of the rear
emblem with fingers closed. (The upper part of
the rear emblem can also be touched.)
The power back door may also be operated
by holding either of the following over the
upper part of the rear emblem. Make sure to
hold it close enough to the rear emblem.
•A gloved hand
•An elbow

148 3-2. Opening, closing and locking the doors
RX450h_RX450hL _U_OM48F85U■
Luggage compartment lights
●
RX450hL: The luggage compartment lights tu rn on when the back door is opened.●
When the power switch is turned off, the lights will go off automatically after 20 min-
utes. ■
If the power back door opener is inoperative
The power back door can be unlocked from the inside. ●
RX450h: The luggage compartment lights
turn on when the power back door is opened
with the respective luggage compartment
light switch on.
Remove the cover.
To protect the cover, place a rag between the
flathead screwdriver and cover as shown in
the illustration.
Move the lever. 1
2

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3
Operation of each component
RX450h_RX450hL _U_OM48F85U■
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 wh en the power switch is in any mode.●
The power back door can be opened using the 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. 112), the power back door will not operate
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 power 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 power back door when the power back door is
open. If the following operations are perfor med, 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. 136) or smart access system with push-button
start ( → P. 136, 142) while the power back door is closing.
Also, if the back door does no t fully close due to the operation of the jam protection func-
tion, etc., while the back door is automatically closing afte r a reserve lock operation is
performed, the reserve lock function is canceled and all the doors will unlock. 1
2