2020 LEXUS RX450H remote

120
RX350/RX350L_U3-1. Key information
The following keys are provided with the vehicle.
Electronic keys• Operating the smart access sys- tem with push-button start
( P. 146)
• Operating the wireless remote control function
Mechanical keys
Key number plate
Locks all the doors ( P. 124)
Unlocks all the doors ( P. 124)
Opens the windows
*2 and the
moon roof
*1, 2 or panoramic moon
roof
*1, 2 (  P. 124)
Opens and closes the power back
door ( P. 130)
Sounds the alarm ( P. 121)
*1: If equipped
*2: This setting must be custom ized at your Lexus dealer.
Keys
The keys
1
2
3
Wireless remote control
1
2
3
4
5

1223-1. Key information
RX350/RX350L_U
■Electronic key battery depletion
●The standard battery life is 1 to 2 years.
●If the battery becomes low, an alarm will soun d in the cabin when the engine is stopped.
(  P. 623)
●As the electronic key always receives ra dio waves, the battery will become depleted
even if the electronic key is not used. The following symptoms indicate that the elec-
tronic key battery may be depleted. Replace the battery when necessary. ( P. 623)
• The smart access system with push-button start or the wireless remote control does
not operate.
• The detection area becomes smaller.
• The LED indicator on the key surface does not turn on.
●To reduce key battery depletion when the electronic key is to not be used for long peri-
ods of time, set the electronic key to the battery-saving mode.
(  P. 148)
●To avoid serious deterioration, do not leave the electronic key within 3 ft. (1 m) of the
following electrical appliances that produce a magnetic field:
•TVs
• Personal computers
• Cellular phones, cordless phones and battery chargers
• Recharging cellular phones or cordless phones
• Induction cookers
•Table lamps
■Replacing the battery
 P. 623
■Confirmation of the registered key number
The number of keys already registered to the vehicle can be confirmed. Ask your Lexus
dealer for details.
■If a wrong key is used
The key cylinder rotates freely, isol ated from the internal mechanism.

124
RX350/RX350L_U3-2. Opening, closing and locking the doors
◆Smart access system with push-button start
Carry the electronic key to enable this function.
Grip the driver’s door handle to
unlock the door. Grip any passen-
ger door handle to unlock all the
doors.
*
Make sure to touch the sensor on the
back of the handle.
The doors cannot be unlocked for
3 seconds after the doors are locked.
*: The door unlock settings can bechanged. ( P. 128, 726)
Touch the lock sensor (indentation on the surface of the door handle) to
lock all the doors.
Check that the door is securely locked.
◆Wireless remote control
Locks all the doors
Check that the door is securely
locked.
Unlocks all the doors
Pressing the button unlocks the
driver’s door. Pressing the button
again within 3 seconds unlocks the
other doors.
Press and hold to open the win-
dows
*2 and the moon roof*1, 2 or
panoramic moon roof
*1, 2
*1: If equipped
*2: This setting must be custom ized at your Lexus dealer.
Side doors
The vehicle can be locked and unlock ed using the entry function, wireless
remote control or door lock switches.
Locking and unlocking the doors from the outside
1
2
1
2

1253-2. Opening, closing and locking the doors
3
Operation of each component
RX350/RX350L_U
■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. 77)
■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. 684)
●Replace the key battery with a new one if it is depleted. ( P. 623)
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.

1283-2. Opening, closing and locking the doors
RX350/RX350L_U
■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 engine 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. 77)
■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. 684)
■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
displayUnlocking functionBeep
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

1293-2. Opening, closing and locking the doors
3
Operation of each component
RX350/RX350L_U
■Conditions affecting the oper ation of the smart access system with push-button start
or wireless remote control
 P. 148
■Customization
Some functions can be customized. ( P. 722)
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.

1303-2. Opening, closing and locking the doors
RX350/RX350L_U
◆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. 124
◆Door lock switch
P. 126
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. 727)
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

1313-2. Opening, closing and locking the doors
3
Operation of each component
RX350/RX350L_U
Press 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. 130
Opening/closing the power back door from the inside
Opening the power back door from the outside