sensor LEXUS NX300h 2018 Repair Manual

3717-2. Steps to take in an emergency
LEXUS NX300h Owners Manu-
al_USA_OM78212U 7
When trouble arises ■
Brake Override System/Drive-S tart Control warning light *
*
: This light illuminates on the multi-information display.
■
SRS warning light
This warning light system monitors the air-
bag sensor assembly, fr ont impact sensors,
side impact sensors (front door), side
impact sensors (rear), driver’s seat position
sensor, driver’s seat be lt buckle switch, front
passenger occupant cl assification system
(ECU and sensors), “AIR BAG ON” indi-
cator light, “AIR BAG OFF” indicator light,
front passenger’s seat belt buckle switch,
driver’s seat belt pretensioner, front passen-
ger’s seat belt pretensioner and force lim-
iter, airbags, interconnecting wiring and
power sources. ( → P.32)
■
Front passenger detection sensor, seat
belt reminder and warning buzzer
●
If luggage is placed on the front passen-
ger seat, the front passenger detection
sensor may cause th e warning light to
flash and the warning buzzer to sound even if a passenger is not sitting in the
seat. ●
If a cushion is placed on the seat, the sen-
sor may not detect a passenger, and the
warning light may no t operate properly.■
Electric power steering system warning
light (warning buzzer)
When the 12-volt battery charge becomes
insufficient of the voltage temporarily drops,
the electric power steering system warning
light may come on and the warning buzzer
may sound.
■
If the malfunction indicator lamp comes
on while driving
First check the following:
●
Is the fuel tank empty?
If it is, fill the fuel tank immediately.
●
Is the fuel tank cap loose?
If it is, tighten it securely.Warning light Details/Actions
Brake Override System
Indicates that the accelerato r and brake pedals are being
depressed simultaneously, and the Brake Override System
is operating.
→ Release the accelerator pedal and depress the brake
pedal.
Indicates a malfunction in the Brake Override System (with
warning buzzer)
→ Have the vehicle inspected by your Lexus dealer
immediately.
Drive-Start Control
Indicates that the shift position was changed and Drive-
Start Control was operated wh ile depressing the accelera-
tor pedal. (with warning buzzer)
→ Momentarily release th e accelerator pedal.
Indicates a malfunction in th e Drive-Start Control system
(with warning buzzer)
→ Have the vehicle inspected by your Lexus dealer
immediately.

4218-2. Customization
LEXUS NX300h Owners Manu-
al_USA_OM78212U 8
Vehicle specifications ■
Smart access system with push-button start ( → P.122)
■
Wireless remote control ( → P.106)
■
Automatic light control system ( → P.183)Function Default setting Customized set-
ting
The doors that are unlocked
using the smart access sys-
tem with push-button start
can be selected Driver’s door All the doors O — O O
Smart access system with
push-button start On Off — — O —
Number of consecutive door
lock operations 2 times As many as
desired — — O —
Function Default setting Customized set-
ting
Wireless remote control On Off — — O —
Unlocking operation Driver’s door
unlocked in first
step, all doors
unlocked in sec-
ond step All doors
unlocked in first
step O — O —
Panic function On Off — — O —
The function that validates the
switch of the wireless
remote control when locking
the door ( → P.110) When locking the
door When unlocking
the door — — O —
Function Default setting Customized set-
ting
Light sensor sensitivity Standard -2 to 2 O — O —
Adjust the time elapsed
before the headlights auto-
matically turn off 30 seconds Off
O — O —60 seconds
90 seconds A B C D
A B C D
A B C D

4278-2. Customization
LEXUS NX300h Owners Manu-
al_USA_OM78212U 8
Vehicle specifications ■
Power back door *1
( → P.110)
*1
: If equipped *2
: Configured by operating the sw itch of the lower back door. ( → P.120)*3
: While carrying the electronic key on your person, press the back door opener switch.*4
: When the towing hitch is installe d, the kick sensor does not work
■
Vehicle customization●
When the speed linked d oor locking function and shift po sition linked door locking func-
tion are both on, the door lock operates as follows.
• When shifting the shift lever to any position other than P, all the doors will be locked.
• If the vehicle is started with all the doors locked, the speed linked door locking function
would not operate.
• If the vehicle is started with any door unlock ed, the speed linked door locking function will
operate.
●
When the smart access system wi th push-button start is off, smart door unlocking cannot
be customized.
●
When the doors remain closed after unlock ing the doors and the automatic door lock
function is activat ed, the signals will be generated in accordance with the Operation sig-
nal (buzzer) and the Operation sign al (emergency flashers) settings.
■
In the following situations, customize mode in which the settings can be changed
through the multi-information display will automatically be turned off.
●
A warning message appears after the cu stomize mode screen is displayed.
●
The power switch is turned off. Function Default setting Customized set-
ting
Set at the desired Position
(height) *2
Back Door Automatic Open
and Stop Position Initial settings
Position Stop at the
desired position
(height) — — — O
5 step configuration
Back Door Automatic Open
and Stop Position 5 1 to 5 O — — —
Back door opener switch
operations When the back
door is locked *3
When the back
door is unlocked — — O —
Power back door operations On Off — O — —
Operation buzzer volume 3 1
— O — —
2
Kick Sensor *1, 4
On Off — O — — A B C D

445What to do if... (Troubleshooting)
LEXUS NX300h Owners Manu-
al_USA_OM78212U 445What to do if... (Troubleshooting)
If you cannot release the shift lever
by depressing the brake pedal with
the power switch in ON mode
( → P.174)
 It is locked automatically to prevent
theft of the vehicle. ( → P.169)
 Is the window lock switch pressed?
The power window except for the
one at the driver’s seat cannot be
operated if the window lock switch
is pressed. ( → P.145)
 The auto power off function will be
operated if the vehicle is left in
ACCESSORY or ON mode (the
hybrid system is not operating) for a
period of time. ( → P.170)
 The seat belt reminder light is flash-
ing
Are the driver and the front passen-
ger wearing the seat belts?
( → P.369)
 The parking brake indicator is on
Is the parking brake released? ( → P.177)
Depending on the situation, other
types of warning buzzer may also
sound. ( → P.365, 374)
 Did anyone inside the vehicle open
a door during setting the alarm?
The sensor detects it and the alarm
sounds. ( → P.71)
To stop the alarm, turn the power
switch to ON mode or start the hybrid
system.
 Is the message displayed on the
multi-information display?
Check the message on the multi-
information display. ( → P.374)
 When a warning light turns on or a
warning message is displayed, refer
to P.365, 374.
 Stop the vehicle in a safe place and
replace the flat tire with the spare The steering wheel cannot be
turned after the hybrid system is
stopped
The windows do not open or
close by operating the power
window switches
The power switch is turned off
automatically
A warning buzzer sounds during
driving An alarm is activated and the
horn sounds
A warning buzzer sounds when
leaving the vehicle
A warning light turns on or a
warning message is displayed
When a problem has occurred If you have a flat tire

455What to do if... (Troubleshooting)
LEXUS NX300h Owners Manu-
al_USA_OM78212U Alphabetical Index
455S
S-FLOW mode ............................................ 273
Safety Connect............................................. 306
Seat belts............................................................ 26
Adjusting the seat belt shoulder anchor
height................................................................. 31
Automatic Locking Retractor ................ 28
Child restraint system installation ..........47
Cleaning and maintaining the seat belt
........................................................................... 317
Emergency Locking Retractor .............. 28
How to wear your seat belt ..................... 25
How your child should wear the seat belt
............................................................................ 28
Pregnant women, proper seat belt use
.............................................................................27
Reminder light and buzzer .......369, 370
Seat belt extender ........................................ 28
Seat belt instructions for Canadian own-
ers................................................................... 432
Seat belt pretensioners ................................ 31
SRS warning light ......................................366
Seat heaters ................................................... 275
Seat position memory..................................134
Seat ventilators ..............................................277
Seating capacity............................................ 158
Seats
Adjustment........................................... 128, 129
Adjustment precautions ................ 128, 128
Child seats/child restraint system installa-
tion .....................................................................47
Cleaning........................................................... 317
Driving position memory.........................134
Folding down the rear seatbacks........ 129
Head restraint................................................ 137
Power easy access system .....................134
Properly sitting in the seat ........................ 25
Seat heaters .................................................. 276
Seat position memory ...............................134
Seat ventilators.............................................277 Sensor
Automatic High Beam system ............. 186
Inside rear view mirror ............................... 141
Intuitive parking assist .............................. 227
Kick sensor ....................................................... 114
Radar sensor ................................................. 199
Rain-sensing windshield wipers ...........192
Service plug ...................................................... 64
Service reminder indicators .......................74
Shift lever .......................................................... 174
Side airbags ...................................................... 32
Side doors........................................................ 106
Side marker lights
Light switch .................................................... 183
Replacing light bulbs ................... 353, 354
Side mirrors ..................................................... 142
Adjusting and folding.................................142
Blind Spot Monitor (BSM)......................241
Heaters............................................................269
Side turn signal lights
Replacing light bulbs ................... 353, 354
Turn signal lever ...........................................176
Smart access system with push-button
start................................................................... 122
Antenna location .......................................... 122
Entry functions ....................................... 106, 111
Starting the hybrid system ...................... 168
Warning message ..................................... 374
Snow tires ....................................................... 257
Spare tire
Inflation pressure ....................................... 406
Storage location .........................................378
Spark plug ...................................................... 404
Specifications ................................................400
Speedometer ....................................................79
Sport mode .................................................... 249