2018 LEXUS NX300h windshield wipers

1934-3. Operating the lights and wipers
LEXUS NX300h Owners Manu-
al_USA_OM78212U 4
Driving strikes the windshield, or if bugs, etc. are
present on the windshield.
●
If the wiper switch is turned to the
“AUTO” position while the power switch
is in ON mode, the wipers will operate
once to show that AUTO mode is acti-
vated.●
If the temperature of the raindrop sensor
is 194°F (90°C) or higher, or 5°F (-15°C)
or lower, automatic operation may not
occur. In this case, operate the wipers in
any mode other than AUTO mode.■
If no windshield washer fluid sprays
Check that the washer nozzles are not
blocked, if there is washer fluid in the
washer fluid tank.
WARNING■
Caution regarding the use of wind-
shield wipers in AUTO mode (vehi-
cles with rain-sen sing windshield
wipers)
The windshield wipers may operate
unexpectedly if the sensor is touched or
the windshield is subject to vibration in
AUTO mode. Take care that your fingers,
etc. do not become caught in the wind-
shield wipers.
■
Caution regarding the use of washer
fluid
When it is cold, do not use the washer
fluid until the windshield becomes warm.
The fluid may freeze on the windshield
and cause low visibility. This may lead to
an accident, resulting in death or serious
injury. NOTICE■
When the windshield is dry
Do not use the wipers, as they may dam-
age the windshield. ■
When the washer fluid tank is empty
Do not operate the switch continually as
the washer fluid pump may overheat. ■
When a nozzle becomes blocked
In this case, contact your Lexus dealer.
Do not try to clear it with a pin or other
object. The nozzle will be damaged. ■
To prevent 12-volt battery discharge
Do not leave the wipers on longer than
necessary when the hy brid system is off.

200 4-5. Using the driving support systems
LEXUS NX300h Owners Manu-
al_USA_OM78212U WARNING●
Keep the windshield clean at all times.
• If the windshield is dirty or covered
with an oily film, water droplets, snow,
etc., clear the windshield.
• If a glass coating agent is applied to the
windshield, it will still be necessary to
use the windshield wipers to remove
water droplets, etc. from the area of
the windshield in front of the camera
sensor.
• If the inner side of the windshield
where the camera sensor is installed is
dirty, contact your Lexus dealer.●
Do not attach objects, such as stickers,
transparent stickers, etc., and so forth,
to the outer side of the windshield in
front of the camera sensor (shaded
area in the illustration).
From the top of the windshield to
approximately 0.4 in. (1 cm) below
the bottom of the camera sensor
Approximately 7.9 in. (20 cm)
(Approximately 4.0 in. (10 cm) to the
right and left from the center of the
camera sensor)
●
If the part of the windshield in front of
the camera sensor is fogged up or
covered with condensation or ice, use
the windshield defogger to remove the
fog, condensation or ice. ( → P.269)A
B ●
If water droplets cannot be properly
removed from the area of the wind-
shield in front of the camera sensor by
the windshield wipers, replace the
wiper insert or wiper blade.
If the wiper inserts or wiper blades
need to be replaced, contact your
Lexus dealer. ●
Do not attach window tinting to the
windshield. ●
Replace the windshield if it is damaged
or cracked.
If the windshield ne eds to be replaced,
contact your Lexus dealer. ●
Do not get the camera sensor wet. ●
Do not allow bright lights to shine into
the camera sensor. ●
Do not dirty or damage the camera
sensor.
When cleaning the inside of the wind-
shield, do not allow glass cleaner to
contact the lens. Also, do not touch the
lens.
If the lens is dirty or damaged, contact
your Lexus dealer. ●
Do not subject the camera sensor to a
strong impact.
●
Do not change the installation position
or direction of the camera sensor or
remove it.
●
Do not disassemble the camera sen-
sor.
●
Do not modify any components of the
vehicle around the camera sensor
(inside rear view mirror, etc.) or ceiling.
●
Do not attach any accessories that
may obstruct the camera sensor to the
hood, front grille or front bumper.
Contact your Lexus dealer for details.
●
If a surfboard or other long object is to
be mounted on the roof, make sure
that it will not obstruct the camera sen-
sor.

3156-1. Maintenance and care
LEXUS NX300h Owners Manu-
al_USA_OM78212U 6
Maintenance and care • Do not use acidic, a lkaline or abrasive
detergent
• Do not use hard brushes
• Do not use detergent on the wheels when
they are hot, such as after driving or park-
ing in hot weather■
Bumpers
Do not scrub with abrasive cleaners. ■
Front side windows water-repellent
coating (vehicles wi th water-repellent
coating)●
The following precautions can extend the
effectiveness of the water-repellent coat-
ing.
• Remove any dirt, etc. from the front side
windows regularly.
• Do not allow dirt and dust to accumulate
on the windows for a long period.
Clean the windows with a soft, damp
cloth as soon as possible.
• Do not use wax or glass cleaners that
contain abrasives when cleaning the win-
dows.
• Do not use any metallic objects to
remove condensation build up.●
When the water-repellent performance
has become insufficie nt, the coating can
be repaired. Contact your Lexus dealer.
WARNING■
When washing the vehicle
Do not apply water to the inside of the
engine compartment. Doing so may
cause the electrical components etc. to
catch fire. ■
When cleaning the windshield (vehi-
cles with rain-sensing windshield wip-
ers)
Set the wiper switch to off.
If the switch is in “AUTO”, the wipers may
operate unexpectedly in the following sit-
uations, and may result in hands being
caught or other serious injuries and
cause damage to the wiper blades.
Off
AUTO ●
When the upper part of the windshield
where the raindrop sensor is located is
touched by hand ●
When a wet rag or similar is held close
to the raindrop sensor ●
If something bumps against the wind-
shield ●
If you directly touch the raindrop sen-
sor body or if something bumps into
the raindrop sensor
■
Precautions regarding the exhaust
pipe
Exhaust gasses cause the exhaust pipe to
become quite hot.
When washing the vehicle, be careful not
to touch the pipe until it has cooled suffi-
ciently, as touching a hot exhaust pipe
can cause burns.
■
Precautions regarding the rear
bumper with Blind Spot Monitor (if
equipped)
If the paint of the re ar bumper is chipped
or scratched, the system may malfunc-
tion. If this occurs, consult your Lexus
dealer. A
B

316 6-1. Maintenance and care
LEXUS NX300h Owners Manu-
al_USA_OM78212U NOTICE■
To prevent paint deterioration and
corrosion on the body and compo-
nents (aluminum wheels etc.)●
Wash the vehicle immediately in the
following cases:
• After driving near the sea coast
• After driving on salted roads
• If coal tar or tree sap is present on the
paint surface
• If dead insects, in sect droppings or
bird droppings are present on the
paint surface
• After driving in an area contaminated
with soot, oily smoke, mine dust, iron
powder or chemical substances
• If the vehicle becomes heavily soiled
with dust or mud
• If liquids such as benzene and gasoline
are spilled on the paint surface●
If the paint is chip ped or scratched,
have it repaired immediately.●
To prevent the wheels from corroding,
remove any dirt and store in a place
with low humidity when storing the
wheels.
■
Cleaning the exterior lights●
Wash carefully. Do not use organic
substances or scrub with a hard brush.
This may damage the surfaces of the
lights.
●
Do not apply wax to the surfaces of the
lights.
Wax may cause damage to the lenses.
■
To prevent damage to the windshield
wiper arms
When lifting the wiper arms away from
the windshield, pull the driver side wiper
arm upward first, and repeat for the pas-
senger side. When returning the wipers
to their original position, do so from the
passenger side first. ■
When using an automatic car wash
(vehicles with rain-sensing windshield
wipers)
Set the wiper switch to the off position.
If the wiper switch is in “AUTO”, the wip-
ers may operate and the wiper blades
may be damaged. ■
When using a high pressure car wash ●
When washing the vehicle, do not let
water of the high pressure washer hit
directly or the vicinity of the camera.
Due to the shock from the high pres-
sure water, it is possible the device may
not operate as normal. ●
Do not bring the nozzle tip close to
boots (rubber or re sin manufactured
cover), connectors or the following
parts. The parts may be damaged if
they come into contact with high-pres-
sure water.
• Traction related parts
•Steering parts
• Suspension parts
• Brake parts ■
When raising the windshield wiper
arms
Make sure to hold the hook parts of
the wiper arms to raise them.
Do not hold only the wiper blades when
raising them, or it may cause deformation
of the wiper blades. A

322 6-2. Maintenance
LEXUS NX300h Owners Manu-
al_USA_OM78212U The OBD system determines that a
problem exists somewhere in the emis-
sion control system. Your vehicle may
not pass the I/M test and may need to
be repaired. Contact your Lexus
dealer to service the vehicle.
 When the 12-volt battery is discon-
nected or discharged
Readiness codes that are set during
ordinary driving are erased.
Also, depending on your driving
habits, the readiness codes may not
be completely set.
 When the fuel tank cap is loose
The malfunction indicator lamp
comes on indicating a temporary
malfunction and your vehicle may
not pass the I/M test.Fluid leaks • There should not be any
signs of fluid leakage
after the vehicle has
been parked.
Tires • Is the tire inflation pres-
sure correct?
• The tires should not be
damaged or excessively
worn.
• Have the tires been
rotated according to the
maintenance schedule?
• The wheel nuts should
not be loose.
Windshield
wipers/
rear window
wiper •The wiper blades should
not show any signs of
cracking, splitting, wear,
contamination or defor-
mation.
•The wiper blades should
clear the windshield/
rear window without
streaking or skipping.Items Check points
Emission inspection and
maintenance (I/M) pro-
grams Some states have vehicle emission
inspection programs which include
OBD (On Board Diagnostics)
checks. The OBD system monitors
the operation of the emission con-
trol system.
If the malfunction indicator lamp
comes on
Your vehicle may not pass the I/
M test in the following situations:

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

456 Alphabetical Index
LEXUS NX300h Owners Manu-
al_USA_OM78212U Steering wheel
Adjustment......................................................139
Heated steering wheel............................ 275
Power easy access system .....................134
Stop lights
Replacing light bulbs................................ 353
Storage feature ..............................................281
Storage precautions.....................................281
Stuck
If the vehicle becomes stuck................ 397
Sun visors ........................................................288
Sunglass holder ............................................ 283
Switch
ASC (Active Sound Control) dial ....... 181
Automatic High Beam switch .............. 186
Brake hold switch....................................... 180
BSM (Blind Spot Monitor) main switch
........................................................................... 241
Cruise control switch ................................ 217
Door lock switch......................................... 108
Driving mode select switch .................. 249
Driving position memory switches .....134
Emergency flashers switch .................. 358
EV drive mode switch ................................171
Fog light switch ............................................ 189
Garage door opener switches ..........298
Heated steering wheel............................ 275
HUD (Head-up display) switches ....... 90
Ignition switch............................................... 168
Intuitive parking assist switch................227
LDA switch .....................................................210
Light switches ............................................... 183
Meter control switches ..............................85
Moon roof switches ...................................146
Outside rear view mirror switches ..... 142
Paddle shift switches .................................. 175
Parking brake switch ................................. 177
PCS switch ...................................................205
Power back door opener and closer
switch............................................................... 113
Power switch ................................................ 168
Power window switch ............................... 144 Rear window and outside rear view mir-
ror defoggers switch ............................269
Rear window wiper and washer switch
........................................................................... 194
Seat heater switches................................. 275
“SOS” button............................................... 306
Tire pressure warning reset switch.....341
Vehicle-to-vehicle distance button .... 217
VSC off switch ............................................. 251
Window lock switch.................................. 145
Windshield wipers and washer switch
........................................................................... 189 T
Tachometer........................................................79
Tail lights
Light switch .................................................... 183
Replacing light bulbs ................................353
Theft deterrent system
Alarm..................................................................... 71
Immobilizer system ......................................69
Tire inflation pressure
Maintenance data ..................................... 406
Warning light ...............................................370
Tire information ............................................. 410
Glossary ...........................................................414
Size ......................................................................412
Tire identification number......................... 411
Uniform Tire Quality Grading ..............412
Tire pressure warning system
Function ......................................................... 338
Initializing..........................................................341
Installing tire pres sure warning valves
and transmitters...................................... 340
Registering ID codes ...............................343
Warning light ...............................................370
Tires................................................................... 336
Chains ............................................................ 258
Checking .......................................................336
Glossary ...........................................................414
If you have a flat tire .................................. 377
Inflation pressure ........................... 343, 406

458 Alphabetical Index
LEXUS NX300h Owners Manu-
al_USA_OM78212U ......................................................................... 257
Switch .................................................... 194, 374
Washing and waxing....................................314
Weights
Cargo capacity................................155, 400
Load limits ......................................... 158, 400
Weights ......................................................... 400
Wheels ............................................................. 345
Replacing wheels....................................... 345
Size....................................................................406
Window glasses .............................................144
Window lock switch .....................................145
Windows
Power windows............................................ 144
Rear window defogger .......................... 269
Washer .................................................. 189, 194
Windshield wiper de-ice r ........................ 273
Windshield wipers
Intermittent windshield wipers ............. 189
Rain-sensing windshield wipers............ 191
Winter driving tips....................................... 257
Wireless charger ......................................... 290
Wireless remote control key ................... 104
Battery-saving function ............................ 123
Locking/Unlocking ................................... 104
Panic mode.................................................... 104
Replacing the battery............................... 347 For information regarding the
equipment listed below, refer to
the “NAVIGATION AND MULTI-
MEDIA SYSTEM OWNER’S
MANUAL”.
· Audio/visual system
· Navigation system
· Lexus parking assist monitor
· Panoramic view monitor
· Lexus Enform