2018 LEXUS RX450h Owners Manual

1373-2. Opening, closing and locking the doors
3
Operation of each component
RX450h_RX450hL _U_OM48F85U■
Operation signals
Doors:
A buzzer sounds and the emergency flashers flash to indicate that the doors have been
locked/unlocked. (Locked: Once; Unlocked: Twice)
Windows and moon roof or panoramic moon roof:
A buzzer sounds. ■
Security feature
If a door is not opened within approximately 60 seconds after the vehicle is unlocked, the
security feature automatically locks the vehicle again. ■
When the door cannot be locked by the lock sensor on the surface of the door handle
■
Door lock buzzer
If an attempt to lock the doors is made when a door is not fully closed, a buzzer sounds
continuously for 5 seconds. Fully close the d oor to stop the buzzer, and lock the vehicle
once more. ■
Setting the alarm
Locking the doors will set the alarm system. ( → P. 86)■
If the smart access system with push-button start or the wireless remote control does
not operate properly ●
Use the mechanical key to lock and unlock the doors. ( → P. 692)●
Replace the key battery with a new one if it is depleted. ( → P. 630)When the door cannot be locked even if the
lock sensor on the surface of the door handle is
touched by a finger, touch the lock sensor with
the palm.
When gloves are being worn, remove the
gloves.

138 3-2. Opening, closing and locking the doors
RX450h_RX450hL _U_OM48F85U◆ Door lock switches (to lock/unlock)
Locks all the doors
Unlocks all the doors
◆ Inside lock buttons (to lock)
Push down the inside lock button to
lock the door.
◆ Inside door handles (to unlock) 
For the front doors
Pull the handle to unlock and open
the door.
When the door is unlocked, the
inside lock button will pop up. 
For the rear doors
Pull the handle to unlock the door.
Pull the handle a second time to
open the door.
When the door is unlocked, the
inside lock button will pop up.Locking and unlocking the doors from the inside 1
2

1393-2. Opening, closing and locking the doors
3
Operation of each component
RX450h_RX450hL _U_OM48F85UPush down the in side lock button.
Close the door. The door cannot be locked if the power switch is in ACCESSORY or ON mode, or
the electronic key is left inside the vehicle. However, the key may not be detected cor-
rectly and the door may be locked.
The door cannot be opened from inside
the vehicle when the lock is set.
Unlock
Lock These locks can be set to prevent chil-
dren from opening the rear doors. Push
down on each rear door switch to lock
both rear doors.
The following functions can be set or canceled: For instructions on customizing, refer to P. 738.Locking the doors from the outside without a key
Rear door child-protector lock 1
2
1
2
Automatic door locking and unlocking systems Function Operation
Speed linked door locking function All doors are automatically locked when
vehicle speed is approximately 12 mph
(20 km/h) or higher.
Shift position linked door locking
function All doors are automatically locked when
shifting the shift lever out of P.
Shift position linked door unlocking
function All doors are automatically unlocked
when shifting the shift lever to P.
Driver’s door linked door unlocking
function All doors are automatically unlocked
when driver’s door is opened.

140 3-2. Opening, closing and locking the doors
RX450h_RX450hL _U_OM48F85U■
Switching the door unlock function
It is possible to set which doors the entry function unlock s using the wireless remote con-
trol.
Turn the power switch off.
When the indicator light on the key su rface is not on, press and hold , or
for approximately 5 seconds while pressing and holding .
The setting changes each time an operation is performed, as shown below. (When
changing the setting continuously, release the buttons, wait for at least 5 seconds, and
repeat step .)
To prevent unintended triggering of the alarm, unlock the doors using the wireless
remote control and open and close a door once after the settings have been changed. (If
a door is not opened within 60 seconds af ter is pressed, the doors will be locked
again and the alarm will automatically be set.)
In a case that the alarm is triggered, immediately stop the alarm. ( → P. 86)■
Impact detection door lock release system
In the event that the vehicle is subject to a strong impact, all the doors are unlocked.
Depending on the force of the impact or the type of accident, however, the system may
not operate. ■
Using the mechanical key
The doors can also be locked and unlocked with the mechanical key. ( → P. 692)■
Open door warning buzzer
If the vehicle speed reaches 3 mph (5 km/h), the master warning light flashes and a
buzzer sounds to indicate that door (s) or the hood in not fully closed.
The open door(s) or hood is displa yed on the multi-information display.1
2
2
Multi-information
display Unlocking function Beep
Holding the driver’s door handle
unlocks only the driver’s door.
Exterior: Beeps 3 times
Interior: Pings onceHolding any of the passenger
door handles unlocks all the
doors.
Holding a door handle unlocks
all the doors. Exterior: Beeps twice
Interior: Pings once

1413-2. Opening, closing and locking the doors
3
Operation of each component
RX450h_RX450hL _U_OM48F85U■
Conditions affecting the oper ation of the smart access sy stem with push-button start
or wireless remote control
→ P. 160 ■
Customization
Some functions can be customized. ( → P. 736)
WARNING ■
To prevent an accident
Observe the following precautions while driving the vehicle.
Failure to do so may result in a door open ing 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.

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
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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