
2755-2. Using the air conditioning system and defogger
LEXUS NX300h Owners Manu-
al_USA_M78287_en
5
Interior features
■Operation condition
The seat heaters can be used when the
power switch is in ON mode.
Each time the switch is pressed, the
operation condition changes as fol-
lows.
Hi (3 segments lit) Mid (2 segments
lit) Lo (1 segment lit) Off
The indicator (green) and level indicator
(green) light up during operation.
■Operation condition
The power switch is in ON mode.
WARNING
■To prevent causes of overheating and
minor burn injuries
Observe the following precautions when
using a seat heater
●Do not cover the seat with a blanket or
cushion when using the seat heater.
●Do not use seat heater more than nec-
essary.
Seat ventilators (front)
A

3166-1. Maintenance and care
LEXUS NX300h Owners Manu-
al_USA_M78287_en
Clean the air intake vents by the follow-
ing procedures to prevent dust from
accumulating in them, or to prevent
them from clogging.
There are air intake vents on the both sides
of the seats.
■Cleaning the air intake vents
1 Remove the dust from the vents
with a vacuum cleaner etc.
Clean the vents of the both sides.
2Start the hybrid system and check
that the warning message on the
multi-information display disap-
pears.
NOTICE
■Preventing damage to leather sur-
faces
Observe the following precautions to
avoid damage to and deterioration of
leather surfaces:
●Remove any dust or dirt from leather
surfaces immediately.
●Do not expose the vehicle to direct
sunlight for extended periods of time.
Park the vehicle in the shade, espe-
cially during summer.
●Do not place items made of vinyl, plas-
tic, or containing wax on the uphol-
stery, as they may stick to the leather
surface if the vehicle interior heats up
significantly.
■Water on the floor
Do not wash the vehicle floor with water.
Vehicle systems such as the audio system
may be damaged if water comes into
contact with electrical components such
as the audio system above or under the
floor of the vehicle. Water may also
cause the body to rust.
■When cleaning the inside of the wind-
shield (vehicles with Lexus Safety
System+)
Do not allow glass cleaner to contact the
lens. Also, do not touch the lens.
( P.198)
■Cleaning the inside of the rear win-
dow
●Do not use glass cleaner to clean the
rear window, as this may cause dam-
age to the rear window defogger
heater wires or antenna. Use a cloth
dampened with lukewarm water to
gently wipe the window clean. Wipe
the window in strokes running parallel
to the heater wires or antenna.
●Be careful not to scratch or damage
the heater wires or antenna.
■Cleaning the front side windows
Do not use any compound or abrasive
product (e.g., glass cleaner, detergent,
wax) to clean the windows. It may dam-
age the coating.
Cleaning the air intake vents

3556-3. Do-it-yourself maintenance
LEXUS NX300h Owners Manu-
al_USA_M78287_en
6
Maintenance and care
P.329
Front side marker light (bulb type)
Front turn signal light (bulb type)
■Bulbs that need to be replaced by
the Lexus dealer
Headlights
Front turn signal lights (LED type)
Parking lights and Daytime running
lights
Front fog lights
Front side marker lights (LED type)
Side turn signal lights
Stop/tail lights
Rear side marker lights
Back-up light
Rear turn signal light
High mounted stoplight
License plate lights
Outer foot lights
■LED lights
The lights other than the front side marker
lights (bulb type) and front turn signal lights
(bulb type) each consist of a number of
LEDs. If any of the LEDs burn out, take your
vehicle to your Lexus dealer to have the
light replaced.
■Condensation build-up on the inside of
the lens
Temporary condensation build-up on the
inside of the headlight lens does not indi-
cate a malfunction. Contact your Lexus
dealer for more information in the following
situations:
●Large drops of water have built up on the
inside of the lens.
●Water has built up inside the headlight.
■When replacing light bulbs
P.352
Light bulbs
You may replace the following bulbs
by yourself.
The difficulty level of replacement
varies depending on the bulb. If
necessary bulb replacement seems
difficult to perform, contact your
Lexus dealer.
For more information about replac-
ing other light bulbs, contact your
Lexus dealer.
Removing the engine compart-
ment cover
Bulb locations
A
B

449What to do if... (Troubleshooting)
LEXUS NX300h Owners Manu-
al_USA_M78287_en449Alphabetical Index
D
Daytime running light system .................. 183
Deck board .................................................... 283
Deck under tray ........................................... 283
Defogger Outside rear view mirrors .................... 267
Rear window ................................................ 267
Windshield .................................................... 267
Differential ...................................................... 407
Dimension ...................................................... 402
Dinghy towing................................................. 167
Display BSM (Blind Spot Monitor) ..................... 241
Drive information ..........................................85
Dynamic radar cruise control with full-speed range ................................................ 217
Energy monitor.............................................. 93
Head-up display ........................................... 89
Intuitive parking assist...............................227
LDA (Lane Departure Alert with steering control) ........................................................209
Multi-information display .......................... 84
Warning messages .................................. 376
Do-it-yourself maintenance .................... 324
Door lock Back door....................................................... 109
Side doors ...................................................... 104
Smart access system with push-button start ..................................................................120
Wireless remote control........................... 101
Doors Automatic door lock ing and unlocking
system ............................................................107
Back door....................................................... 108
Door glasses .................................................. 142
Door lock........................................................ 104
Outside rear view mirrors ..................... 140
Rear door child-protectors ....................107
Side doors ...................................................... 104
Drive information ........................................... 85
Drive-start control ............................... 151, 173 Driver’s seat belt reminder light .............. 371
Driver’s seat position memory .................132
Driving
Break-in tips .................................................... 151
Correct posture............................................. 25
Driving mode select switch ..................248
Hybrid vehicle driving tips ....................254
Procedures .................................................... 150
Winter drive tips .........................................256
Driving position memory............................132 Memory recall function............................ 133
Dynamic radar cruise control with full- speed rangeFunction ............................................................ 217
Warning message ..................................... 224
E
E-Four .............................................................. 250
ECB (Electronically Controlled Brake Sys-
tem) ................................................................ 249
Eco mode........................................................ 248
EDR (Event data recorder) ............................7
Electric motor Location ...............................................................61
Specification ................................................ 403
Electric Power Steering (EPS) Function .......................................................... 249
Warning light .............................................. 369
Electronic key Battery-saving function.............................. 121
If the electronic key does not operate properly ...................................................... 389
Replacing the battery ...............................349
Electronically Controlled Brake System (ECB) ............................................................ 249
Emergency flashers .................................... 360

450Alphabetical Index
LEXUS NX300h Owners Manu-
al_USA_M78287_en
Emergency, in case of If a warning buzzer sounds .................. 367
If a warning light turns on ...................... 367
If a warning message is displayed..... 376
If the 12-volt battery is discharged .... 392
If the electronic key does not operate properly.......................................................389
If the fuel filler door cannot be opened .........................................................................389
If the hybrid system will not start ........ 387
If you have a flat tire .................................. 379
If you lose your keys................................ 388
If you think something is wrong .........365
If your vehicle becomes stuck.............399
If your vehicle has to be stopped in an
emergency ................................................360
If your vehicle needs to be towed ..... 362
If your vehicle overheats ........................396
Energy monitor ............................................... 93
Engine Accessory mode .........................................170
Compartment ............................................. 328
Engine switch................................................ 168
Hood................................................................ 326
How to start the hybrid system ........... 168
Identification number ...............................403
If your vehicle has to be stopped in an
emergency ................................................360
Ignition switch (power switch) ............. 168
Overheating.................................................396
Power switch ................................................ 168
Engine compartment cover .................... 329
Engine coolant Capacity .........................................................405
Checking .........................................................331
Preparing and checking before winter......................................................................... 256
Warning light ...............................................368
Engine coolant temperature gauge ........79 Engine oil
Capacity ........................................................ 404
Checking .......................................................329
Warning light .............................................. 368
Engine switch ................................................. 168
EPS (Electronic Power Steering) Function .......................................................... 249
Warning light .............................................. 369
EV drive mode................................................. 171
EV indicator ...................................................... 62
Event data recorder (E DR) ............................7
F
Flat tire ............................................................. 379
Tire pressure warning system .............339
Floor mats .......................................................... 24
Fluid Brake ................................................................407
Transmission................................................ 406
Washer ...........................................................333
Fog lights Replacing light bulbs ............................... 355
Switch................................................................188
Front passenger occupant classification system ................................................................ 41
Front passenger’s seat belt reminder light ............................................................................ 371
Front seat heaters.........................................274
Front seats ........................................................126 Adjustment ......................................................126
Cleaning .......................................................... 315
Correct driving posture ............................ 25
Driving position memory .........................132
Head restraints............................................. 135
Power easy access system .....................132
Seat heaters .................................................. 274
Seat position memory ...............................132

453What to do if... (Troubleshooting)
LEXUS NX300h Owners Manu-
al_USA_M78287_en453Alphabetical Index
Lexus Safety System+.................................. 197 Automatic High Beam ............................. 185
Dynamic radar cruise control with full-speed range ................................................ 217
LDA (Lane Departure Alert with steering control) ........................................................209
PCS (Pre-Collision System)................ 202
License plate lights Light switch .....................................................182
Replacing light bulbs................................355
Light Automatic High Beam system............. 185
Cornering lights .......................................... 184
Fog light switch ............................................ 188
Headlight switch ..........................................182
Illuminated entry system......................... 276
Interior light list ............................................ 276
Interior lights..................................................277
Luggage compartment light ................... 110
Personal lights ..............................................277
Replacing light bulbs................................355
Turn signal lever ........................................... 176
Vanity lights ..................................................286
Wattage..........................................................409
Welcome light illumination control ... 105
Light bulbs Replacing .......................................... 355, 356
Wattage..........................................................409
Luggage cover ............................................. 284
M
Maintenance Do-it-yourself maintenance ................. 324
General maintenance ...............................319
Maintenance data...................................... 402
Maintenance requirements ....................319
Malfunction indicator lamp ..................... 368 Meter
Head-up display............................................89
Indicators........................................................... 74
Instrument panel light control.................83
Meters................................................................. 79
Multi-information display ..........................84
Warning lights ............................................. 367
Warning messages................................... 376
Micro dust and pollen filter ....................... 271
Microphone ................................................... 304
Mirrors Inside rear view mirror ............................. 138
Outside rear view mirror defoggers 267
Outside rear view mirrors...................... 140
Vanity mirrors ............................................. 286
Moon roof Jam protection function ........................... 145
Operation ........................................................144
Warning message .......................... 146, 376
Multi-information display Clock................................................................... 79
Drive information ..........................................85
Dynamic radar cruise control with full-
speed range ................................................ 217
Energy monitor .............................................. 93
Language ....................................................... 424
LDA (Lane Departure Alert with steering control) ....................................................... 209
Warning messages................................... 376
N
Noise from under vehicle ...............................6

454Alphabetical Index
LEXUS NX300h Owners Manu-
al_USA_M78287_en
O
Odometer ..........................................................79
Oil Engine oil .......................................................404
Rear differential oil .................................... 407
Opener Back door........................................................... 111
Fuel filler door............................................... 195
Hood................................................................ 326
Outside rear view mirrors ........................ 140 Adjusting and folding ............................... 140
Blind Spot Monitor (BSM) ..................... 241
Linked mirror functi on when reversing
.......................................................................... 140
Mirror position memory........................... 132
Outside rear view mirror defoggers 267
Outside temperature display .....................79
Overheating .................................................. 396
P
Paddle shift switches .................................... 175
Panic mode ......................................................102
Parking brake Operation........................................................ 177
Parking brake engaged warning buzzer/message ........................................................178
Warning light ................................................. 371
Parking lights Light switch .....................................................182
Replacing light bulb..................................355
Parking Support Brake function (for static objects) ......................................................... 232Indicator ....................................................75, 76
Warning light ............................................... 370
Warning messages .................................. 238 PCS (Pre-Collision System)
Function ..........................................................202
PCS switch....................................................204
Warning light .............................................. 369
Warning message ..................................... 376
Personal lights................................................276 Switch............................................................... 277
PKSA (Parking Support Alert) .............. 226
Power back door opener and closer .......111
Power control unit coolant Capacity ........................................................ 405
Checking ........................................................ 331
Preparing and checking before winter..........................................................................256
Radiator .......................................................... 332
Power easy access system ........................132
Power outlets ................................................ 287
Power steering (Electric Power Steering system) .......................................................... 249Warning light .............................................. 369
Power switch .................................................. 168
Power windows Door lock linked window operation ..143
Jam protection function ............................142
Operation ........................................................142
Window lock switch...................................143
Pre-Collision System (PCS) Function ..........................................................202
PCS switch....................................................204
Warning light .............................................. 369
Warning message ..................................... 376

455What to do if... (Troubleshooting)
LEXUS NX300h Owners Manu-
al_USA_M78287_en455Alphabetical Index
R
Radar cruise control (dynamic radar cruise control with full-speed range)............... 217
Radiator ........................................................... 332
Rear Cross Traffic Alert ........................... 245
Rear seat Folding down the rear seatbacks........128
Rear side marker lights Light switch .....................................................182
Replacing light bulbs................................355
Rear turn signal lights Replacing light bulb..................................355
Turn signal lever ........................................... 176
Rear view mirror Inside rear view mirror............................. 138
Outside rear view mirrors ..................... 140
Rear window defogger ..............................267
Rear window wiper.......................................193
Refueling ...........................................................195 Capacity .........................................................403
Fuel types.......................................................403
Opening the fuel tank cap ..................... 195
When the fuel filler door cannot be opened ........................................................389
Regenerative braking ................................... 62
Remote Touch .............................................. 262
Replacing Electronic key battery.............................. 349
Fuses ..................................................................351
Light bulbs.....................................................355
Tires .................................................................. 379
Reporting safety defects for U.S. owners .......................................................................... 432
Resetting the message indicating mainte- nance is required ........................................319
Road accident cautions ............................... 65
S
S-FLOW mode .............................................. 271
Safety Connect............................................. 304
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 ........................................................................... 315
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 ......... 371, 372
Seat belt extender......................................... 28
Seat belt instructions for Canadian own- ers ................................................................... 432
Seat belt pretensioners ................................31
SRS warning light...................................... 369
Seat heaters ................................................... 273
Seat position memory..................................132
Seat ventilators ............................................. 275
Seating capacity............................................ 158
Seats Adjustment ............................................126, 127
Adjustment precautions ................ 126, 128
Child seats/child restraint system installa-tion .................................................................... 47
Cleaning .......................................................... 315
Driving position memory .........................132
Folding down the rear seatbacks ....... 128
Front seat heaters ...................................... 274
Head restraint ............................................... 135
Power easy access system .....................132
Properly sitting in the seat ........................ 25
Rear seat heaters ....................................... 274
Seat position memory ...............................132
Seat ventilators ............................................ 275