
4068-1. Specifications
LEXUS NX300h Owners Manu-
al_USA_M78287_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.

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

452Alphabetical Index
LEXUS NX300h Owners Manu-
al_USA_M78287_en
Hybrid System Indicator.............................. 82
Hybrid transmission...................................... 173
I
I/M test ............................................................ 322
Identification Engine .............................................................403
Vehicle ............................................................ 402
Ignition switch (Power switch) ................ 168
Illuminated entry system ............................276
Immobilizer system ........................................ 69
Indicators ............................................................76
Initialization Items to initialize .........................................430
Inside rear view mirror ............................... 138
Instrument panel light control ................... 83
Interior lights...................................................276
Intuitive parking assist Function ...........................................................227
Warning message..................................... 228
J
JackPositioning a floor jack............................ 326
Vehicle-equipped jack .......................... 380
Jack handle ....................................................380
Jam protection function Moon roof .......................................................145
Power back door closer ............................114
Power windows............................................ 142
Rear seats ......................................................... 131
K
Keyless entrySmart access system with push-button start ................................................................. 120
Wireless remote control ........................... 101
Keys.................................................................... 100 Battery-saving function.............................. 121
Electronic key ...............................................100
Engine switch ................................................ 168
If the electronic key does not operate properly ...................................................... 389
If you lose your keys ................................ 388
Key number plate .......................................100
Keyless entry .......................................104, 120
Mechanical key ............................................ 100
Power switch................................................. 168
Replacing the battery ...............................349
Warning buzzer .......................................... 120
Wireless remote control key .................. 101
Knee airbags .................................................... 32
L
Lane Departure Alert with steering control (LDA) ............................................................ 209
Language (multi-information display) 424
LATCH anchors ............................................. 55
LDA (Lane Departure Alert with steering control) ......................................................... 209
Lever Auxiliary catch lever .................................326
Hood lock release lever .........................326
Shift lever ..........................................................173
Turn signal lever ...........................................176
Wiper lever .................................................... 188
Lexus Enform Remote............................... 309
Lexus Enform Safety Connect............... 304
Lexus Enform Service Connect ............. 310

456Alphabetical Index
LEXUS NX300h Owners Manu-
al_USA_M78287_en
Sensor Automatic High Beam system............. 185
BSM (Blind Spot Monitor) ................... 243
Inside rear view mirror..............................139
Intuitive parking assist...............................227
Kick sensor........................................................112
Radar sensor..................................................199
Rain-sensing windshield wipers............ 191
Service plug ...................................................... 64
Service reminder message .......................319
Shift lever .......................................................... 173
Shift lock system............................................. 174
Side airbags ...................................................... 32
Side doors........................................................ 104
Side marker lights Light switch .....................................................182
Replacing light bulbs................... 355, 356
Wattage..........................................................409
Side mirrors .................................................... 140 Adjusting and folding ............................... 140
Blind Spot Monitor (BSM) ..................... 241
Heaters ........................................................... 267
Side turn signal lights Replacing light bulbs................................355
Turn signal lever ........................................... 176
Smart access system with push-button start...................................................................120Antenna location..........................................120
Entry functions....................................104, 109
Starting the hybrid system...................... 168
Warning message..................................... 376
Snow tires ....................................................... 256
Spare tire Inflation pressure....................................... 408
Storage location ........................................ 380 Spark plug ...................................................... 406
Specifications ................................................ 402
Speedometer ....................................................79
Sport mode .................................................... 248
Steering wheel
Adjustment ......................................................137
Heated steering wheel ............................ 273
Power easy access system .....................132
Stop lights Replacing light bulbs ............................... 355
Storage feature ............................................ 279
Storage precautions................................... 279
Stuck If the vehicle becomes stuck ............... 399
Sun visors ........................................................ 286
Sunglass holder ..............................................281
Switch ASC (Active Sound Control) dial........ 181
Automatic High Beam switch .............. 185
Brake hold switch ........................................179
BSM (Blind Spot Monitor) main switch............................................................................241
Cruise control switch................................. 217
Door lock switch ......................................... 106
Driving mode select switch ..................248
Driving position memory switches .....132
Emergency flashers switch .................. 360
EV drive mode switch................................ 171
Fog light switch ............................................188
Garage door opener switches...........296
Heated steering wheel ............................ 273
HUD (Head-up display) switches .......89
Ignition switch ............................................... 168
Intuitive parking assist switch ............... 227
LDA switch ...................................................... 211