Page 121 of 680

1213-1. Key information
3
Operation of each component
NX300h_OM_USA_OM78082U
■Electronic key battery depletion
●The standard battery life is 1 to 2 years. (The card key battery life is about a year and a
half.)
●If the battery becomes low, an alarm will sound in the cabin when the hybrid system
stops.
●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. 5 3 2 )
• 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 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. 5 3 2
■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 to isolate inside mechanism.
Page 124 of 680

1243-2. Opening, closing and locking the doors
NX300h_OM_USA_OM78082U
Side 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. 1 2 7 , 633)
Touch the lock sensor (the 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 windows
and moon roof
*1, 2
*1:If equipped
*2: This setting must be customized at your Lexus dealer.
The vehicle can be locked and unlock ed using the entry function, wireless
remote control or door lock switch.
Locking and unlocking the doors from the outside
1
2
1
2
Page 125 of 680

1253-2. Opening, closing and locking the doors
3
Operation of each component
NX300h_OM_USA_OM78082U
■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:
A buzzer sounds to indicate that all windows are opening.
■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.
■Welcome light illumination control
The side marker, parking, tail and license plat e lights automatically turn on at night when
the doors are unlocked using the entry functi on or wireless remote control if the light
switch is in the “AUTO” position.
■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 door to stop the buzzer, and lock the vehicle
once more.
■Setting the alarm
Locking the doors will set the alarm system. ( P. 88)
■If the smart access system with push-butto n start or the wireless remote control does
not operate properly
●Use the mechanical key to lock and unlock the doors. ( P. 5 9 1 )
●Replace the key battery with a new one if it is depleted. ( P. 5 3 2 )
When the door cannot be locked even if the
lock sensor on the surfac
e of the door handle is
touched by a finger, touch the lock sensor with
the palm.
When gloves are being worn, remove the
gloves.
Page 127 of 680

1273-2. Opening, closing and locking the doors
3
Operation of each component
NX300h_OM_USA_OM78082U
The following functions can be set or canceled:
For instructions on customizing, refer to P. 632.
■Switching the door unlock function
It is possible to set which doors the entry fu nction unlocks using the wireless remote con-
trol.
Turn the power switch off.
When the indicator light on the key surface is not on, press and hold , or
for approximately 5 seconds while pressing and holding .
The setting changes each time an operatio n is performed, as shown below. (When
changing the setting continuously, release the buttons, wait for at least 5 seconds, and
repeat step .)
For vehicles with an alarm: To prevent unin tended triggering of the alarm, unlock the
doors using the wireless remote control and open and close a door once after the set-
tings have been changed. (If a door is not opened within 60 seconds after is pressed,
the doors will be locked again and th e alarm will automatically be set.)
In a case that the alarm is triggered, immediately stop the alarm. ( P. 8 8 )
Automatic door locking and unlocking systems
FunctionOperation
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
functionAll doors are automatically locked when
shifting the shift lever out of P.
Shift position linked door unlocking
functionAll doors are automatically unlocked
when shifting the shift lever to P.
Driver’s door linked door unlocking
functionAll doors are automatically unlocked
when driver’s door is opened.
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
Page 128 of 680

1283-2. Opening, closing and locking the doors
NX300h_OM_USA_OM78082U
■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. 5 9 1 )
■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.
■Conditions affecting the operation of the sm art access system with push-button start
or wireless remote control
P. 1 4 2
■Customization
Settings (e.g. unlocking function using a key) can be changed.
(Customizable features: P. 6 3 1 )
WA R N I N G
■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 ar e 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.
Page 129 of 680
1293-2. Opening, closing and locking the doors
3
Operation of each component
NX300h_OM_USA_OM78082U
Back door
◆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. 1 2 4
◆Door lock switch
P. 1 2 6
Press the switch for 1 second.
With the customization feature, it can be
set up so that it can operate even when
the back door is unlocked. ( P. 6 3 4 )
The back door can be locked/unlocked and opened/closed by the following
procedures.
Locking and unlocking the back door
1
2
Opening/closing the back door with the wireless remote control (vehi-
cles with a power back door)
Page 130 of 680

1303-2. Opening, closing and locking the doors
NX300h_OM_USA_OM78082U
Press the switch for 1 second.
A buzzer sounds and the back door
automatically opens and closes.
Pressing the switch while the back door
is opening/closing stops the operation.
When the switch is pressed again for 1
second during the halted operation, the
back door will perform the reverse
operation.
■Back door opener
Vehicles without a power back
door
Raise the back door while pressing
up the back door opener switch.
Vehicles with a power back door
When the back door is unlocked:
Press the back door opener switch.
When the back door is locked:
While carrying the electronic key on your person, press the back door opener
switch.
A buzzer sounds and the back door automatically opens.
Pressing the switch while the back door is opening stops the operation.
■Wireless remote control (vehicles with a power back door)
P. 1 2 9
Opening/closing the back door from inside the vehicle (vehicles with a
power back door)
Opening the back door from outside the vehicle
Page 133 of 680

1333-2. Opening, closing and locking the doors
3
Operation of each component
NX300h_OM_USA_OM78082U
■Power back door operating conditions (vehicles with a power back door)
With the power back door operations set to ON, it can automatically open and close for
the following conditions:
●When the electronic key is being carried and the power back door switch is pushed*
●When the wireless remote control is used*
●When the power switch is in ON mode, in addition to the above for the opening opera-
tions, the back door operates for any of the following conditions:
• Parking brake is engaged
• The brake pedal is depressed
• The shift lever is in P
*: When configured with the cu stomization function so that it can be operated after
being unlocked, operate the back door after it has been unlocked.
■Luggage compartment light
The luggage compartment light turns on when the back door is opened with the luggage
compartment light switch on.
■If the back door opener is inoperative
The back door can be unlocked from the inside.
Move the lever. Off
On
When the power switch is turned off, the light
will go off automatically after 20 minutes.
Remove the cover.
To protect the cover, place a rag between the
flathead screwdriver and the cover as shown
in the illustration.
1
2
1
2
Vehicles without a power back
doorVehicles with a power back
door