light LEXUS NX300h 2015 Service Manual

1233-1. Key information
3
Operation of each component
NX300h_U_OM78007U NOTICE ■
Handling the card key ●
Do not apply excess force when inserting th e mechanical key into the card key. Doing
so may damage the card key. ●
If the battery or card key terminals get wet, the battery may corrode and the card key
may stop working.
If the key is dropped into water, or if drinkin g water, etc., is spilled on the key, immedi-
ately remove the battery cover and wipe the battery and terminals. (To remove the
battery cover, lightly grasp and pull it.) If the battery is corroded, have your Lexus
dealer replace the battery. ●
Do not crush the battery cover or use a screwdriver to remove the battery cover.
Forcibly removing the battery co ver may bend or damage the key.●
If the battery cover is frequently removed, the battery cover may become loose. ●
When installing the battery, make sure to check the direction of the battery.
Installing the battery in the wrong directio n may cause the battery to deplete rapidly.●
The surface of the card key may be damaged, or its coating may peel off in the follow-
ing situations:
• The card key is carried together with hard objects, such as coins and keys.
• The card key is scraped with a sharp object , such as the tip of a mechanical pencil.
• The surface of the card key is wiped with thinner or benzene.

1253-2. Opening, closing and locking the doors
3
Operation of each component
NX300h_U_OM78007U ■
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 2 )●
Replace the key battery with a new one if it is depleted. (  P. 5 3 2 )When the door can not 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.

1273-2. Opening, closing and locking the doors
3
Operation of each component
NX300h_U_OM78007U The following functions can be set or canceled: For instructions on customizing, refer to P. 634.
■
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 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.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

128 3-2. Opening, closing and locking the doors
NX300h_U_OM78007U ■
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 2 )■
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 3 )
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.

1333-2. Opening, closing and locking the doors
3
Operation of each component
NX300h_U_OM78007U ■
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
door 
Vehicles with a power back
door

134 3-2. Opening, closing and locking the doors
NX300h_U_OM78007U ■
Back door closer (vehicles with a power back door)
In the event that the back door is left slight ly open, the back door closer will automatically
close it to the fully closed position.
Whatever the state of the power swit ch, the back door closer operates.■
Operation of the power back door (vehicles with a power back door) ●
A buzzer sounds and the emergency flashers flash twice to indicate that the back door
is opening/closing. ●
When the power back door operations are OFF, the power back door does not oper-
ate but it can be opened and closed by hand. ●
When the power back door automatically op ens, if an abnormality due to people or
objects is detected, operation will stop. ■
Back door reserve lock function (vehicles with a power back door)
This function is a function which reserves lo cking of all doors, beforehand, when the back
door is open. When the follow is done, all th e doors except the back door are locked and
then back door will also be locked at the same time it is closed.
Close all doors, except the back door.
Push the wireless lock button during the au tomatic closing operation of the back door.■
When reconnecting the 12-volt battery (vehicles with a power back door)
To enable the power back door to operat e properly, close the back door manually.■
Jam protection function (vehicles with a power back door)
■
Returning the back door automatic stop position to the initial settings (vehicles with a
power back door)
■
Customization (vehicles with a power back door)
Settings (e.g. back door automatic op en and stop position) can be changed.
(Customizable features:  P. 6 4 1 )Sensors 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 clamped, etc., the jam
protection function operates.
From that position the door automatically
moves a little in the opposite direction and then
the function stops.
Press and hold the power back door switch on
the back door for 7 seconds.
After the buzzer sounds 4 times, it sounds
twice more. When the power back door does
the opening operation the next time, the door
will open to the init ial settings position. 1
2

136 3-2. Opening, closing and locking the doors
NX300h_U_OM78007U WA R N I N G ■
Operating the 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 back door before opening it.
Failure to do so may cause the back door to suddenly shut again after it is opened. ●
When opening or closing the back door, thoroughly check to make sure the sur-
rounding area is safe. ●
If anyone is in the vicinity, make sure they are safe and let them know that the back
door is about to open or close. ●
Use caution when opening or closing the ba ck door in windy weather as it may move
abruptly in strong wind.
●
Do not pull on the back door damper st ay (vehicles without a power back door)
(  P. 138) or back door spindle (vehicles with a power back door) (  P. 1 3 9 ) t o
close the back door, and do not hang on t he back door damper stay (vehicles with-
out a power back door) or back door spin dle (vehicles with a power back door).
Doing so may cause hands to be caught or the back door damper stay (vehicles
without a power back door) or back d oor spindle (vehicles with a power back
door) to break, causing an accident. ●
If a bicycle carrier or similar heavy object is attached to the back door, it may sud-
denly shut closed again after being opened, causing someone’s hands, head or neck
to be caught and injured. Wh en installing an accessory part to the back door, using a
genuine Lexus part is recommended. ●
Vehicles without a power back door: The
back door may suddenly shut if it is not
opened fully. It is more difficult to open or
close the back door on an incline than on a
level surface, so beware of the back door
unexpectedly opening or closing by itself.
Make sure that the back door is fully open and
secured before using the luggage compart-
ment. ●
Vehicles with a power back door: The back
door may suddenly shut if it is not opened
fully, while on a steep incline.
Make sure that the back door is secured
before using the lu ggage compartment.●
When closing the back door, take extra care
to prevent your fingers, etc., from being
caught. ●
When closing the back door, make sure to
press it lightly on its ou ter surface. If the back
door handle is used to fully close the back
door, it may result in hands or arms being
caught.

1373-2. Opening, closing and locking the doors
3
Operation of each component
NX300h_U_OM78007U WA R N I N G ■
Back door closer (vehicles with a power back door)
●
Use caution when using the back door closer as it still operates when the power back
door system is canceled. ■
Power back door (if equipped)
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 back
door is about to open or close. ●
If the power back door system is canceled while the back door is operating during
automatic operation, the back door stops operating. Take extra care when on an
incline, as the back door may open or close suddenly.●
If the operating conditions of the power back door are no longer met, a buzzer may
sound and the back door may stop opening or closing. The back door then has to be
operated manually. Take extra care in this situation, as the back door may move
abruptly. ●
On an incline, the back door may sudden ly shut after it opens automatically. Make
sure the back door is secured. ●
In the following situations, the power back door may detect an abnormality and auto-
matic operation may be stopped. In this case, the back door has to be operated man-
ually. Take extra care in this situation, as the stopped back door may suddenly open or
close, causing an accident.
• When the back door contacts an obstacle
• When the 12-volt battery voltage suddenly drops, such as when the power switch
is turned to ON mode or the engine is started during automatic operation●
If a bicycle carrier or similar heavy object is attached to the back door, the power
back door may not operate, causing itself to malfunction, or the back door may move
slightly in the closing direction after bein g opened, causing someone’s hands, head or
neck to be caught and injured. When installing an accessory part to the back door,
ask your Lexus dealer for details. ●
In the event that the back door is left slightly
open, the back door closer will automatically
close it to the fully closed position. It takes
several seconds before the back door closer
begins to operate. Be careful not to get fin-
gers caught or anything else in the back door,
as this may cause bone fractures or other
serious injuries.

144 3-2. Opening, closing and locking the doors
NX300h_U_OM78007U ●
A sudden approach to the effective range or door handle may prevent the doors from
being unlocked. In this case, return the door handle to the original position and check
that the doors unlock before pulling the door handle again.●
If there is another electronic key in the detection area, it may take slightly longer to
unlock the doors after the door handle is gripped. ■
When the vehicle is not driven for extended periods ●
To prevent theft of the vehicle, do not leave the electronic key within 6 ft. (2 m) of the
vehicle. ●
The smart access system with push-butto n start can be deactivated in advance.
(  P. 6 3 5 )■
To operate the system properly
Make sure to carry the electronic key when operating the system. Do not get the elec-
tronic key too close to the vehicle when op erating the system from the outside of the
vehicle.
Depending on the position and holding condit ion of the electronic key, the key may not
be detected correctly and the system may not operate properly. (The alarm may go off
accidentally, or the door lock prevention may not operate.) ■
If the smart access system with push-button start does not operate properly ●
Locking and unlocking the doors: Use the mechanical key. (  P. 5 9 2 )●
Starting the hybrid system:  P. 5 9 3■
Customization
Settings (e.g. smart access system with push-button start) can be changed.
(Customizable features:  P. 6 3 3 )■
If the smart access system with push-butto n start has been deactivated in a customized
setting ●
Locking and unlocking the doors:
Use the wireless remote control or mechanical key. (  P. 1 2 4 , 5 9 2 )●
Starting the hybrid system and changing power switch modes:  P. 5 9 3●
Stopping the hybrid system:  P. 2 0 2

1533-3. Adjusting the seats
3
Operation of each component
NX300h_U_OM78007U WA R N I N G ■
Seat adjustment
To reduce the risk of sliding under the lap belt during a co llision, do not recline the seat
more than necessary.
If the seat is too rec lined, the lap belt may slide past the hips and apply restraint forces
directly to the abdomen, or your neck may contact the shoulder belt, increasing the risk
of death or serious injury in the event of an accident.
Adjustments should not be ma de while driving as the seat may unexpectedly move and
cause the driver to lose control of the vehicle. ■
After returning the rear seatback to the upright position
Observe the following precautions.
Failure to do so may result in death or serious injury.●
Make sure that the seatback is securely locked in position by lightly pushing it back
and forth. ●
Check that the seat belts are not twisted or caught in the seatback. ■
Jam protection function (vehicles with a power seat)
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
seatback is fully folded forward. Be careful not 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.
NOTICE ■
Stowing the seat belts
The seat belts and the buckles for the rear ce nter seat, as well as the armrest, must be
stowed before you fold down the rear seatbacks. (  P. 3 4 , 4 6 5 )