2020 LEXUS NX300 check engine

892-1. Instrument cluster
LEXUS NX300 Owners Manual_USA_M78389_en
2
Vehicle status information and indicators
G monitor (if equipped) ( P.84)
 Boost Meter (if equipped) ( P.83)
 Brake Override System ( P.147)
 Drive-Start Control ( P.147)
■“HUD” button
Pressing the button turns the head-up
display on/off and changes the vehicle
speed display units as follows:
U.S.A.
OFF  ON (MPH)  ON (km/h) 
OFF
Canada
OFF  ON (km/h)  ON (MPH) 
OFF
■“DISP” button
Pressing the button changes the dis-
play items (except vehicle speed) as
follows:
• Off
• Eco Driving Indicator
• Tachometer
• Tachometer/Boost Meter (if equipped)
• G monitor (if equipped)
■Head-up display
●The head-up display may seem dark and
hard to see when viewed through sun-
glasses, especially polarized sunglasses.
Adjust the brightness of the head-up dis-
play or remove your sunglasses.
●When the head-up display is turned off, it
will not display anything until it is turned
on again.
Switching the head-up display
A
WARNING
■Before using the head-up display
Check that the position and brightness of
the head-up display image does not
interfere with safe driving. Incorrect
adjustment of the image’s position or
brightness may obstruct the driver’s view
and lead to an accident, resulting in
death or serious injury.
■Caution for changing settings of the
head-up display
As the engine needs to be running while
changing the settings of the head-up dis-
play, ensure that the vehicle is parked in a
place with adequate ventilation. In a
closed area such as a garage, exhaust
gases including harmful carbon monox-
ide (CO) may collect and enter the vehi-
cle. This may lead to death or a serious
health hazard.

1003-2. Opening, closing and locking the doors
LEXUS NX300 Owners Manual_USA_M78389_en
3-2.Opening, closing and locking the doors
■Using the smart access system with
push-button start
Carry the electronic key to enable this
function.
1 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 sec-
onds after the doors are locked.
2Touch the lock sensor (the indenta-
tion on the surface of the door han-
dle) to lock all the doors.
Check that the door is securely locked.
*: The door unlock settings can be
changed.
■Using the wireless remote control
1 Locks all the doors
Check that the door is securely locked.
2Unlocks 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.
■Switching the door unlock function
It is possible to set which doors the entry
function unlocks using the wireless remote
control.
1 Turn the engine switch off.
2 When the indicator light on the key sur-
face is not on, press and hold ,
or for approximately 5
seconds while pre ssing 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 2 .)
Side doors
The vehicle can be locked and
unlocked using the entry function,
wireless remote control or door
lock switch.
Unlocking and locking the doors
from the outside

1123-2. Opening, closing and locking the doors
LEXUS NX300 Owners Manual_USA_M78389_en
WARNING
■Power back door
Observe the following precautions when
operating the power back door.
Failure to do so may cause death or seri-
ous injury.
●Check the safety of the surrounding
area to make sure there are no obsta-
cles or anything 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
turned off with the main switch while
the back door is operating automati-
cally, the automatic operation is
stopped. The back door then has to be
operated manually. Take extra care
when on an incline, as the back door
may open or close unexpectedly.
●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 manu-
ally. Take extra care when on an incline,
as the back door may open or close
abruptly.
●On an incline, the back door may sud-
denly shut after it opens. Make sure
the back door is fully open and secure.
●In the following situations, the power
back door may detect an abnormality
and automatic operation may be
stopped. In this case, the back door
has to be operated manually. Take
extra care when on an incline, as the
back door may open or close abruptly.
• When the back door contacts an obstacle
• When the battery voltage suddenly drops, such as when the engine switch
is turned to IGNITION 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 suddenly shut again
after being opened, causing some-
one’s hands, head or neck to be caught
and injured. When installing an acces-
sory part to the back door, using a
genuine Lexus part is recommended.
■Jam protection function
Observe the following precautions.
Failure to do so may cause death or seri-
ous injury.
●Never use any part of your body to
intentionally activa te the jam protec-
tion function.
●The jam protection function may not
work if something gets caught just
before the back door fully closes. Be
careful not to catch 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.
■Kick sensor (vehicles with Hands
Free Power Back Door)
Observe the following precautions when
operating the power back door.
Failure to do so may cause death or seri-
ous injury.
●Check the safety of the surrounding
area to make sure there are no obsta-
cles or anything that could cause any
of your belongings to get caught.
●When putting your foot near the lower
center part of the rear bumper and
moving it from the rear bumper, be
careful not to touch the exhaust pipes
until they have cooled down suffi-
ciently, as touching hot exhaust pipes
can cause burns.
●Do not operate the Hands Free Power
Back Door if there is little space under
the rear bumper.

1143-2. Opening, closing and locking the doors
LEXUS NX300 Owners Manual_USA_M78389_en
ON (operate) and OFF (stop) can be
switched between by the of the
multi-information display. ( P.82) 1
Press or of the meter con-
trol switches and select .
2
Press or of the meter con-
trol switches, select the “Vehicle
Settings” and then press .
3
Press or of the meter con-
trol switches, select and
then press .
4
Press or of the meter con-
trol switches, and then select
“PBD”.
5
ON and OFF will be switched over
with presses of on the meter
control switches.
When OFF is selected and the operations
of the power back door is made to stop
from the of multi-information display,
unless it is set to ON , the operation of the
power back door will not return. (No
return in the engine switch operation)
NOTICE
●Do not park the vehicle near objects
that may move and contact the lower
center part of the rear bumper, such as
grass or trees.
If the vehicle has been parked for a
while near objects that may move and
contact the lower center part of the
rear bumper, such as grass or trees,
the kick sensor may not operate. In this
situation, move the vehicle from the
current position and then check if the
kick sensor operates. If it does not
operate, have the vehicle inspected by
your Lexus dealer.
●Do not subject the kick sensor or its
surrounding area to a strong impact.
If the kick sensor
or its surrounding
area has been subjected to a strong
impact, the kick sensor may not oper-
ate properly. If the kick sensor does
not operate in the following situations,
have the vehicle inspected by your
Lexus dealer.
• The kick sensor or its surrounding area has been subjected to a strong impact.
• The lower center part of the rear bumper is scratched or damaged.
●Do not disassemble the rear bumper.
●Do not attach stickers to the rear
bumper.
●Do not paint the rear bumper.
●If a bicycle carrier or similar heavy
object is attached to the power back
door, disable the kick sensor.
Canceling the power back door
system (vehicles with power
back door)

1193-2. Opening, closing and locking the doors
LEXUS NX300 Owners Manual_USA_M78389_en
3
Before driving
of water splashes on the door handle,
such as in the rain or in a car wash when
the electronic key is within the effective
range. (The door will automatically be
locked after approximately 60 seconds if
the doors are not opened and closed.)
●If the wireless remote control is used to
lock the doors when the electronic key is
near the vehicle, there is a possibility that
the door may not be unlocked by the
entry function. (Use the wireless remote
control to unlock the doors.)
●Touching the door lock sensor while
wearing gloves may delay or prevent lock
operation. Remove the gloves and touch
the lock sensor again.
●When the lock operation is performed
using the lock sensor, recognition signals
will be shown up to two consecutive
times. After this, no recognition signals
will be given.
●If the door handle becomes wet while the
electronic key is within the effective
range, the door may lock and unlock
repeatedly. In that ca se, follow the follow-
ing correction procedures to wash the
vehicle:
• Place the electronic key in a location 6 ft. (2 m) or more away from the vehicle.
(Take care to ensure that the key is not
stolen.)
• Set the electronic key to battery-saving
mode to disable the smart access system
with push-button start. ( P.117)
●If the electronic key is inside the vehicle
and a door handle becomes wet during a
car wash, a message may be shown on
the multi-information display and a
buzzer will sound outside the vehicle. To
turn off the alarm, lock all the doors.
●The lock sensor may not work properly if
it comes into contact with ice, snow, mud,
etc. Clean the lock sensor and attempt to
operate it again.
●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-but-
ton start can be deactivated in advance.
■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
operating the system from the outside of the
vehicle.
Depending on the position and holding
condition 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 preven-
tion may not operate.)
■If the smart access system with push but-
ton start does not operate properly
●Locking and unlockin g the doors: Use
the mechanical key. ( P.398)
●Starting the engine: P.398
■Customization
Settings (e.g. smart access system with
push-button start) can be changed. (Cus-
tomizable features: P.427)
If the smart access system with push-button
start has been deactivated by a customized
setting, refer to the explanations for the fol-
lowing operations.
●Locking and unlo cking the doors:
Use the wireless remote control or
mechanical key. ( P.100, 398)
●Starting the engine and changing engine
switch modes:  P.398
●Stopping the engine: P.166

1263-3. Adjusting the seats
LEXUS NX300 Owners Manual_USA_M78389_en
Luggage room switch
2 Check that the plate for the seat
belt is on the front side of the seat.
When using the seat be lt for the rear cen-
ter seat ( P.28)
■Operating conditions for folding down
the seatback (power seat)
When the following conditions are met,
switch operations are possible.
●When operating the rear seat switch: The
seatback position is within the range
in the illustration from the most upright
position.
●When operating the instrument panel
switch or luggage compartment switch:
The seatback position is within the range in the illustration.
●When operating the rear seat switch:
When the rear door for the seat to be
operated is open.
●When operating the luggage compart-
ment switch: When the back door is
open.
●When the other operation switches for
the seat being operated are not pressed.
When the engine swit ch is in IGNITION
ON mode, in addition to the above, the
power seat operates for any of the following
conditions:
• Parking brake is engaged
• The brake pedal is depressed
• The shift lever is in P
■Operating conditions for returning the
seatback (power seat)
When the following conditions are met,
switch operations are possible.
●When operating the rear seat switch: The
seatback position is within the range
in the illustration fr om the most upright
position.
●When operating the rear seat switch:
When the rear door for the seat to be
operated is open.
●When operating the luggage compart-
ment switch: When the back door is
open.
●When the other operation switches for
the seat being operated are not pressed.
When the engine swit ch is in IGNITION
ON mode, in addition to the above, the
power seat operates for any of the following
conditions:
• Parking brake is engaged
A
B
A

1283-3. Adjusting the seats
LEXUS NX300 Owners Manual_USA_M78389_en
*:If equipped
When all of the following have been
performed, the driver’s seat and steer-
ing wheel are automatically adjusted to
a position that allows driver to enter
and exit the vehicle easily.
• The shift lever has been shifted to P.
• The engine switch has been turned
off.
• The driver’s seat belt has been unfastened.
When any of the following has been
performed, the driver’s seat and steer- ing wheel automatically return to their
original positions.
• The engine switch has been turned
to ACCESSORY mode or IGNI-
TIONON mode.
• The driver’s seat belt has been fas- tened.
■Operation of the power easy access sys-
tem
When exiting the vehicle, the power easy
access system may not op erate if the seat is
already close to the rearmost position, etc.
■Customization
The seat movement amou nt settings of the
power easy access system can be custom-
ized. (Customizable features: P.427)
1 Check that the shift lever is in P.
2 Turn the engine switch to IGNI-
TION ON mode.
3 Adjust the driver’s seat, steering
wheel and outside rear view mir-
rors to the desired positions.
4 While pressing the “SET” button, or
within 3 seconds after the “SET”
button is pressed, press button “1”,
“2” or “3” until the buzzer sounds.
If the selected button has already been
preset, the previously recorded position
Driving position memory*
This feature auto matically adjusts
the front seats, steering wheel and
outside rear view mirrors to make
entering and exiting the vehicle
easier or to suit your preferences.
Three different driving positions
can be recorded into memory.
Each electronic key (including a
card key) can be registered to
recall your preferred driving posi-
tion.
Enabling easier driver entry and
exit (Power easy access system)Recording a driving position into
memory

1293-3. Adjusting the seats
LEXUS NX300 Owners Manual_USA_M78389_en
3
Before driving
will be overwritten.
■Seat positions that can be memorized
( P.122)
The adjusted positions other than the posi-
tion adjusted by lumbar support switch can
be recorded.
■In order to correctly use the driving
position memory function
If a seat position is already in the furthest
possible position and the seat is operated in
the same direction, the recorded position
may be slightly differen t when it is recalled.
1Check that the shift lever is in P.
2
Turn the engine switch to IGNI-
TION ON mode. 3
Press one of the buttons for the
driving position you want to recall
until the buzzer sounds.
■To stop the position recall operation
part-way through
Perform any of the following:
●Press the “SET” button.
●Press button “1”, “2” or “3”.
●Operate any of the seat adjustment
switches (only cancels seat position
recall).
●Operate the tilt and telescopic steering
control switch (onl y cancels steering
wheel position recall).
■Operating the driving position memory
after turning the engine switch off
Recorded seat positions can be activated
up to 180 seconds after the driver’s door is
opened and another 60 seconds after it is
closed again.
■Registering procedure
Record your driving position to button
“1”, “2” or “3” before performing the
following:
Carry only the key yo u want to register,
and then close the driver’s door.
If 2 or more keys are in the vehicle, the
WARNING
■Seat adjustment caution
Take care during seat adjustment so that
the seat does not strike the rear passen-
ger or squeeze your body against the
steering wheel.
Recalling a driving position
Registering/canceling/recall a
driving position to an electronic
key (memory recall function)