2020 LEXUS NX300h high beam

2044-5. Using the driving support systems
LEXUS NX300h Owners Manual_USA_M78530_en
4-5.Using the driving support systems
■PCS (Pre-Collision System)
 P.210
■LTA (Lane Tracing Assist)
 P.217
■LDA (Lane Departure Alert with
steering control)
 P.226
■Automatic High Beam
 P.192
■RSA (Road Sign Assist)
 P.234
■Dynamic radar cruise control with
full-speed range
 P.236 Two types of sensors, located behind
the front grille and windshield, detect
information necessary to operate the
drive assist systems.
Radar sensor
Front camera
Lexus Safety System+ 2.0
The Lexus Safety System+ 2.0 con-
sists of the following drive assist sys-
tems and contributes to a safe and
comfortable driving experience:
Driving assist system
WARNING
■Lexus Safety System+ 2.0
The Lexus Safety System+ 2.0 is
designed to operate under the assump-
tion that the driver will drive safely, and is
designed to help reduce the impact to
the occupants and the vehicle in the case
of a collision or assist the driver in normal
driving conditions.
As there is a limit to the degree of recog-
nition accuracy and control performance
that this system can provide, do not
overly rely on this system. The driver is
always responsible for paying attention
to the vehicle’s surroundings and driving
safely.
Sensors
WARNING
■To avoid malfunction of the radar sen-
sor
Observe the following precautions.
Otherwise, the radar sensor may not
operate properly, possibly leading to an
accident resulting in death or serious
injury.
A
B

3987-2. Steps to take in an emergency
LEXUS NX300h Owners Manual_USA_M78530_enpedal has been depressed and the shift
lever is in N. Release the accelerator pedal
and shift the shift lever to D, S or R.
■If “Depress Brake When Vehicle Is
Stopped Hybrid Syst
em May Overheat”
is shown
Message is displayed when the accelerator
pedal is depressed to maintain the vehicle
position when stopped on a upward slope,
etc.
If this continues, th e hybrid system may
overheat.
Release the accelerator pedal and depress
the brake pedal.
■If “Front Camera Unavailable” or “Front
Camera Unavailable See Owner’s
Manual” is displayed
The following systems may be suspended
until the problem shown in the message is
resolved. ( P.208, 389)
●PCS (Pre-Collision System)
●LTA (Lane Tracing Assist)
●LDA (Lane Departure Alert with steering
control)
●Automatic High Beam
●RSA (Road Sign Assist)
●Dynamic radar cruise control with full-
speed range
■If “RSA malfunction Visit Your Dealer” is
shown
The system may be malfunctioning. Have
the vehicle inspected by your Lexus dealer.
■If “Radar Cruise Control Unavailable
See Owner’s Manual” is shown
The dynamic radar cruise control with full-
speed range system is suspended tempo-
rarily or until the problem shown in the mes-
sage is resolved. (causes and coping
methods: P.208)
■If “Radar Cruise Control Unavailable” is
shown
The dynamic radar cruise control with full-
speed range system cannot be used tempo-
rarily. Use the system when it becomes
available again.
■If “Oil Maintenance Required Soon” is
shown
Indicates that the engine oil is scheduled to
be changed. (The indicator will not work
properly unless the oil maintenance data
has been reset.)
Check the engine oil, and change if neces-
sary. After changing th e engine oil, the oil
change system should be reset. ( P.348)
■If “Oil Maintenance Required” is shown
Indicates that the engine oil should be
changed. (After the engine oil is changed
and the oil maintenance data has been
reset.)
Check and change the en gine oil, and oil fil-
ter by your Lexus dealer. After changing the
engine oil, the oil change system should be
reset. ( P.348)
■If “See Owner’s Manual” is shown
●If the following messages are shown, fol-
lowing the instruct ions, accordingly.
• “Engine Coolant Temp High” ( P.416)
●If the following messages are shown,
there may be a malfunction.
Immediately have the vehicle inspected
by your Lexus dealer.
• “Hybrid System Malfunction”
•“Check Engine”
• “Hybrid Battery System Malfunction”
• “Accelerator System Malfunction”
• “Braking Power Low”
• “Smart Access System Malfunction”
●If “Aux Battery Low” is shown
• When the display goes off after several
seconds
*
Maintain the hybrid system operation for
more than 15 minutes and charge the 12-
volt battery.
• When the display does not go off Start up the hybrid system using the pro-
cedures for “If the 12-volt battery is dis-
charged” ( P.412).
*: Displays for about 6 seconds
●If “Maintenance required for Traction bat-
tery cooling parts” is shown, the filters
may be clogged, the air intake vents may
be blocked, or there may be a gap in the
duct. Therefore, perform the following
correction procedure.
• If the air intake vents of the hybrid battery

4067-2. Steps to take in an emergency
LEXUS NX300h Owners Manual_USA_M78530_enwarning system. Also, if you replace the
compact spare tire after the tire pressure
warning light comes on, the light remains
on.
■When the compact spare tire is
equipped
The vehicle becomes lower when driving
with the compact spar e tire compared to
when driving with standard tires.
■If you have a flat fron t tire on a road cov-
ered with snow or ice
Install the compact spare tire on one of the
rear wheels of the vehicle. Perform the fol-
lowing steps and fit tire chains to the front
tires:
1 Replace a rear tire with the compact
spare tire.
2 Replace the flat front tire with the tire
removed from the rear of the vehicle.
3 Fit tire chains to the front tires.
WARNING
■When using the compact spare tire
●Remember that the spare tire provided
is specifically desi gned for use with
your vehicle. Do not use your spare
tire on another vehicle.
●Do not use more than one spare tire
simultaneously.
●Replace the spare tire with a standard
tire as soon as possible.
●Avoid sudden acceleration, abrupt
steering, sudden braking and shifting
operations that cause sudden engine
braking.
■When the compact spare tire is
attached
The vehicle speed may not be correctly
detected, and the following systems may
not operate correctly:
• ABS & Brake assist
•VSC
•TRAC
• Dynamic radar cruise control with full- speed range
• PCS (Pre-Collision System)
•EPS
• LTA (Lane Tracing Assist) (if equipped)
• LDA (Lane Departure Alert with steering control) (if equipped)
• Panoramic view monitor (if equipped)
• Lexus parking assist monitor (if equipped)
• Intuitive parking assist (if equipped)
• Navigation system (if equipped)
• BSM (Blind spot monitor) (if equipped)
• Automatic high Beam (if equipped)
Also, not only can the following system
not be utilized fully, bu t it may even nega-
tively affect the drive-train components:
•E-Four
■Speed limit when using the compact
spare tire
Do not drive at speeds in excess of 50
mph (80 km/h) when a compact spare
tire is installed on the vehicle.
The compact spare tire is not designed
for driving at high speeds. Failure to
observe this precaution may lead to an
accident causing death or serious injury.
■After using the tools and jack
Before driving, make sure all the tools
and jack are securely in place in their
storage location to reduce the possibility
of personal injury during a collision or
sudden braking.

4268-1. Specifications
LEXUS NX300h Owners Manual_USA_M78530_en
■Spark plug
■12-volt battery
■Charging rates
*: The fluid capacity is the quantity of reference.If replacement is necessary, contact your Lexus dealer.
Ignition system
MakeDENSO FK16HR-A8
Gap0.03 in. (0.8 mm)
NOTICE
■Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
Electrical system
Specific voltage reading
at 68°F (20°C):12.0 V or higher
If the voltage is lower than the standard value,
charge the battery.
(After charging the battery, turn on the high beam
headlights for 30 seconds with the power switch
off, and turn the headlights off.)
Quick charge
Slow charge15 A max.
5 A max.
Hybrid transmission
Fluid capacity*Front
4.0 qt. (3.8 L, 3.3 Imp.qt.)
Fluid typeToyota Genuine ATF WS
NOTICE
■Transmission fluid type
Using transmission fluid other than “Toyota Genuine ATF WS” may ultimately damage
the hybrid transmission of your vehicle.

LEXUS NX300h Owners Manual_USA_M78530_en
469Alphabetical Index
Alphabetical Index
A
A/C ................................................................... 289Air conditioning filter ............................... 367
Automatic air conditioning system ...289
Micro dust and pollen filter................... 294
S-FLOW mode.......................................... 294
ABS (Anti-lock Brake System).............. 270 Function .......................................................... 270
Warning light .............................................. 388
Active Sound Control (ASC) ..................187
AFS (Adaptive Front-lighting System) .. 191
Air conditioning filter ................................. 367
Air conditioning system ............................ 289 Air conditioning filter ............................... 367
Automatic air conditioning system ...289
Micro dust and pollen filter................... 294
S-FLOW mode.......................................... 294
Airbags ............................................................... 32 Airbag operating conditions................... 34
Airbag precautions for your child .........37
Airbag warning light ............................... 388
Correct driving posture ............................ 25
Curtain shield airbag operating condi-tions .................................................................. 34
Curtain shield airbag precautions ........37
Front passenger occupant classification system ............................................................... 41
General airbag precautions ....................37
Locations of airbags.....................................32
Modification and disposal of airbags . 40
Seat cushion airbag ......................................32 Side airbag operating conditions ......... 34
Side airbag precautions ............................ 37
Side and curtain shie
ld airbags operating
conditions ...................................................... 34
Side and curtain shield airbags precau- tions .................................................................. 37
SRS airbag instruct ions for Canadian
owners ........................................................ 456
SRS airbags...................................................... 32
SRS warning light...................................... 388
Alarm .................................................................... 77 Alarm....................................................................77
Anchor brackets ..................................... 55, 57
Antenna (Smart access system with push- button start) ..................................................126
Anti-lock brake system (ABS) ............... 270 Function .......................................................... 270
Warning light .............................................. 388
Approach warning...................................... 242
Armrest..............................................................319
ASC (Active Sound Control) ..................187
Assist grips .......................................................319
Automatic air conditioning system Air conditioning filter................................ 367
Automatic air conditioning system .. 289
Micro dust and pollen filter ................... 294
S-FLOW mode .......................................... 294
Automatic headlight leveling system ... 190
Automatic High Beam ................................192
Automatic light control system............... 190
Auxiliary box..................................................305

474Alphabetical Index
LEXUS NX300h Owners Manual_USA_M78530_en
Front passenger’s seat belt reminder light
............................................................................391
Front seat heaters........................................ 297
Front seats ........................................................132 Adjustment...................................................... 132
Cleaning......................................................... 333
Correct driving posture ............................ 25
Driving position memory........................ 138
Head restraints ...............................................141
Power easy access system .................... 138
Seat heaters .................................................. 297
Seat position memory .............................. 138
Front side marker lights Light switch .................................................... 189
Replacing light bulbs................................ 375
Wattage.......................................................... 429
Front turn signal lights Replacing light bulbs.................... 374, 375
Turn signal lever ...........................................182
Wattage.......................................................... 429
Fuel Capacity ......................................................... 423
Fuel gauge ....................................................... 84
Gas station information..........................484
Information ....................................................430
Refueling ........................................................ 202
Type.................................................................. 423
Warning light .................................................391
Fuel filler door ............................................... 202 Refueling ........................................................ 202
When the fuel filler door cannot be opened ........................................................409
Fuses ................................................................. 370G
Garage door opener ................................. 320
Gas station information ............................ 484
Gauges ............................................................... 84
Glove box ....................................................... 304
Glove box light ............................................. 304
Grocery bag hooks .................................... 307
H
Head restraints ................................................ 141
Head-up display.............................................. 94
Headlights ....................................................... 189 Automatic headlight leveling ................ 190
Automatic High Beam ..............................192
Light switch .................................................... 189
Replacing light bulbs ................................ 374
Heated steering wheel .............................. 297
Heaters Automatic air conditioning system .. 289
Heated steering wheel ............................ 297
Outside rear view mirrors.................... 290
Seat heaters .................................................. 297
High mounted stoplight Replacing light bulb .................................. 374
Hill-start assist control ............................... 270
Hood ................................................................. 344 Open................................................................ 344
Hooks Cargo hooks............................................... 306
Retaining hooks (floor mat) ..................... 24
Horn ....................................................................144

476Alphabetical Index
LEXUS NX300h Owners Manual_USA_M78530_en
L
Lane Departure Alert wi th steering control
(LDA) ............................................................ 226
Lane Tracing Assist (LTA) ......................... 217
Language (multi-information display) 444
LATCH anchors ............................................. 55
LDA (Lane Departure Alert with steering control) ......................................................... 226
Lever Auxiliary catch lever ................................. 344
Hood lock release lever......................... 344
Shift lever.......................................................... 179
Turn signal lever ...........................................182
Wiper lever.................................................... 195
Lexus Enform Remote.................................. 65
Lexus Enform Safety Connect.................. 60
Lexus Enform Service Connect ............... 66
Lexus Safety System+ 2.0 Automatic High Beam .............................. 192
Dynamic radar cruise control with full-speed range .............................................. 236
LDA (Lane Departure Alert with steering control) ........................................................ 226
LTA (Lane Tracing Assist)...................... 217
PCS (Pre-Collision System)..................210
RSA (Road Sign Assist) ......................... 234
License plate lights Light switch .................................................... 189
Replacing light bulbs................................ 374
Light Automatic High Beam system.............. 192
Cornering lights ............................................ 191
Fog light switch ............................................ 195
Headlight switch ......................................... 189 Illuminated entry system ........................ 300
Interior light list ........................................... 300
Interior lights .................................................. 301
Luggage compartment light ................... 116
Personal lights .............................................. 301
Replacing light bulbs ................................ 374
Turn signal lever .......................................... 182
Vanity lights ................................................... 310
Wattage .......................................................... 429
Welcome light illumination control ....... 111
Light bulbs Replacing ........................................... 374, 375
Wattage .......................................................... 429
LTA (Lane Tracing Assist) ......................... 217
Luggage cover .............................................308
M
Maintenance Do-it-yourself maintenance ................. 342
General maintenance ............................. 337
Maintenance data ...................................... 422
Maintenance requirements .................. 337
Malfunction indicator la mp ..................... 387
Meter Head-up display............................................ 94
Indicators.......................................................... 80
Instrument panel light control................ 88
Meters.................................................................84
Multi-information display ..........................89
Warning lights ............................................ 386
Warning messages.................................. 396
Micro dust and pollen filter ..................... 294

LEXUS NX300h Owners Manual_USA_M78530_en
Alphabetical Index479
S
S-FLOW mode ............................................ 294
Safety Connect................................................ 60
Seat belts............................................................ 26Adjusting the seat belt shoulder anchor height................................................................. 31
Automatic Locking Retractor ................ 28
Child restraint system installation ..........47
Cleaning and maintaining the seat belt ......................................................................... 333
Emergency Locking Retractor .............. 28
How to wear your seat belt ......................27
How your child should wear the seat belt ............................................................................ 28
Pregnant women, proper seat belt use .............................................................................27
Reminder light and buzzer .....................391
Seat belt extender ........................................ 28
Seat belt instructions for Canadian own- ers................................................................... 454
Seat belt pretensioners ................................ 31
SRS warning light ..................................... 388
Seat heaters ................................................... 297
Seat position memory................................. 138
Seat ventilators ............................................. 298
Seating capacity.............................................164
Seats Adjustment............................................132, 133
Adjustment precautions .................132, 134
Child seats/child restraint system installa-tion .....................................................................47
Cleaning......................................................... 333
Driving position memory........................ 138 Folding down the rear seatbacks ........134
Front seat heaters ...................................... 297
Head restraint ................................................. 141
Power easy access system .................... 138
Properly sitting in the seat ........................ 25
Rear seat heaters ....................................... 297
Seat position memory .............................. 138
Seat ventilators ........................................... 298
Sécurité de l’enfant Précautions avec les coussins gonflables......................................................................... 458
Sensor Automatic High Beam system ..............192
BSM (Blind Spot Monitor)....................263
Inside rear view mirror ............................. 145
Intuitive parking assist .............................. 247
Kick sensor ....................................................... 118
LDA (Lane Departure Alert with steering control) ........................................................204
LTA (Lane Tracing Assist) ....................204
Radar sensor ................................................204
Rain-sensing windshield wipers .......... 199
Service plug ...................................................... 70
Service reminder message ..................... 337
Shift lever .......................................................... 179
Shift lock system............................................ 180
Side airbags ...................................................... 32
Side doors.......................................................... 110
Side marker lights Light switch .................................................... 189
Replacing light bulbs .................... 374, 375
Wattage .......................................................... 429