2018 LEXUS NX300h bulb

354 6-3. Do-it-yourself maintenance
LEXUS NX300h Owners Manu-
al_USA_OM78212U Before replacing, check the wattage of
the light bulb to be replaced.
( → P.407) ■
Front side marker lights (bulb type)
1 Turn the bulb base counterclock-
wise.
2 Remove the light bulb.
3 When installing, reverse the steps
listed. ■
Front turn signal lights (bulb type)
1 Open the hood and remove the
cover for engine compartment
cover. ( → P.325, 328) 2 Remove the cover.
Push the center of the clip.
Remove the clip and cover.
3 Turn the bulb base counterclock-
wise.
4 Remove the light bulb.Replacing light bulbs
A
B

3556-3. Do-it-yourself maintenance
LEXUS NX300h Owners Manu-
al_USA_OM78212U 6
Maintenance and care 5 Replace the light bulb.
6 Turn clockwise and set the bulb
base.
7 Attach the clip to the cover.
Push up on the center of the clip.
Attach the clip. 8 Attach the cover.
Align the 2 tabs positions and close
the cover.
Fix the cover by pushing the center
of the clip.
9 Install the engine compartment
cover. ( → P.328)
A
B WARNING■
Replacing light bulbs ●
Be sure to stop the hybrid system and
turn off the lights. Do not attempt to
replace the bulb immediately after
turning off the lights.
The bulbs become very hot and may
cause burns.
●
Do not touch the glass portion of the
light bulb with bare hands. When it is
unavoidable to hold the glass portion,
use and hold with a clean dry cloth to
avoid getting moisture and oils on the
bulb.
Also, if the bulb is scratched or
dropped, it may blow out or crack.
●
Fully install light bulbs and any parts
used to secure them. Failure to do so
may result in heat damage, fire, or
water entering the he adlight unit. This
may damage the headlights or cause
condensation to build up on the lens.
●
Do not attempt to repair or disassem-
ble light bulbs, connectors, electric cir-
cuits or component parts.
Doing so may result in death or serious
injury due to electric shock. A
B

356 6-3. Do-it-yourself maintenance
LEXUS NX300h Owners Manu-
al_USA_OM78212U WARNING■
To prevent damage or fire●
Make sure bulbs are fully seated and
locked.●
Check the wattage of the bulb before
installing to prev ent heat damage.

4078-1. Specifications
LEXUS NX300h Owners Manu-
al_USA_OM78212U 8
Vehicle specifications 
Compact spare tire
A: Wedge base bulbs (clear)
B: Wedge base bulbs (amber) *
:If equippedTire size T165/80D17 104M
Spare tire inflation pressure
(Recommended cold tire inflation
pressure) 60 psi (420 kPa, 4.2 kgf/cm 2
or bar)
Wheel size 17 × 4 T
Wheel nut torque 76 ft•lbf (103 N•m, 10.5 kgf•m)
Light bulbs Light bulbs Bulb No. W Type
Exterior Front side marker lights (bulb
type) W5W 5 A
Front turn signal lights (bulb
type)* 585
(WY21W) 21 B
Interior Vanity lights ⎯ 8 A

447What to do if... (Troubleshooting)
LEXUS NX300h Owners Manu-
al_USA_OM78212U 447Alphabetical Index
Alphabetical Index A
A/C ................................................................... 268
Air conditioning filter ............................... 346
Automatic air conditioning system ...268
Micro dust and pollen filter................... 273
S-FLOW mode.......................................... 273
ABS (Anti-lock Brake System).............. 250
Function ..........................................................250
Warning light ............................................... 367
Active Sound Control (ASC) ................... 181
Air conditioning filter ................................. 346
Air conditioning system ............................ 268
Air conditioning filter ............................... 346
Automatic air conditioning system ...268
Micro dust and pollen filter................... 273
S-FLOW mode.......................................... 273
Airbags ............................................................... 32
Airbag operating conditions................... 34
Airbag precautions for your child .........37
Airbag warning light ................................366
Correct driving posture ............................ 25
Curtain shield airbag operating condi-
tions .................................................................. 34
Curtain shield airbag precautions ........37
Front passenger occupa nt 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 shield airbags operating
conditions...................................................... 34
Side and curtain shield airbags precau-
tions ...................................................................37
SRS airbag instruct ions for Canadian
owners ......................................................... 434
SRS airbags ......................................................32
SRS warning light ......................................366
Alarm ..................................................................... 71 Alarm..................................................................... 71
Warning buzzer ......................................... 372
Anchor brackets ..................................... 55, 57
Antenna (Smart access system with push-
button start) ................................................. 122
Anti-lock brake system (ABS) ............... 250
Function ......................................................... 250
Warning light ............................................... 367
Approach warning...................................... 223
Armrest............................................................ 297
ASC (Active Sound Control) ................... 181
Assist grips ..................................................... 297
Automatic air conditioning system
Air conditioning filter................................346
Automatic air conditioning system .. 268
Micro dust and pollen filter ................... 273
S-FLOW mode .......................................... 273
Automatic headlight leveling system ... 184
Automatic High Beam ............................... 186
Automatic light control system............... 184
B
Back door .......................................................... 110
Wireless remote control ........................... 113
Back-up lights
Replacing light bulb ..................................353
Battery (12-volt battery)
If the 12-volt battery is discharged ... 390
Preparing and checking before winter
.......................................................................... 257
Replacing .......................................................392
Warning light .............................................. 365
Battery (traction batter y) ............................ 64
Blind Spot Monitor (BSM)
Blind Spot Monitor function ................. 243
Rear Cross Traffic Alert function ....... 246
Bottle holders ................................................ 282

450 Alphabetical Index
LEXUS NX300h Owners Manu-
al_USA_OM78212U Accessory mode .........................................170
Compartment ............................................. 327
Engine switch................................................ 168
Hood................................................................ 325
How to start the hybrid system ........... 168
Identification number ................................ 401
If your vehicle has to be stopped in an
emergency ............................................... 358
Ignition switch (power switch) ............. 168
Overheating................................................. 394
Power switch ................................................ 168
Engine compartment cover .................... 328
Engine coolant
Capacity .........................................................403
Checking .......................................................330
Preparing and checking before winter
......................................................................... 257
Warning light ...............................................366
Engine coolant temperature gauge ........79
Engine oil
Capacity ......................................................... 402
Checking ....................................................... 328
Warning light ...............................................366
Engine oil maintenance data .................. 329
Engine switch ................................................. 168
EPS (Electronic Power Steering)
Function ..........................................................250
Warning light ............................................... 367
EV drive mode................................................. 171
EV indicator ...................................................... 62
Event data recorder (EDR) ............................7 F
Flat tire ..............................................................377
Tire pressure warning system ............ 338
Floor mats .......................................................... 24
Fluid
Brake ............................................................... 405
Transmission................................................ 404
Washer ........................................................... 332
Fog lights
Replacing light bulbs ................................353
Switch................................................................ 189
Front passenger occupant classification
system ................................................................ 41
Front passenger’s seat belt reminder light
.......................................................................... 369
Front seats ........................................................128
Adjustment ..................................................... 128
Cleaning ...........................................................317
Correct driving posture ............................ 25
Driving position memory .........................134
Head restraints..............................................137
Power easy access system .....................134
Seat heaters .................................................. 276
Seat position memory ...............................134
Front side marker lights
Light switch .................................................... 183
Replacing light bulbs ................................354
Wattage ..........................................................407
Front turn signal lights
Replacing light bulbs ................... 353, 354
Turn signal lever ...........................................176
Wattage ..........................................................407
Fuel
Capacity .......................................................... 401
Fuel gauge ........................................................ 79
Gas station information ......................... 460
Information ................................................... 408
Refueling.......................................................... 196
Type ................................................................... 401
Warning light .............................................. 369
Fuel filler door .................................................196

451What to do if... (Troubleshooting)
LEXUS NX300h Owners Manu-
al_USA_OM78212U Alphabetical Index
451Refueling ..........................................................196
When the fuel filler door cannot be
opened ........................................................ 387
Fuses ................................................................. 349 G
Garage door opener ................................. 298
Gas station information ............................ 460
Gauges ................................................................79
Glove box ....................................................... 282
Glove box light ............................................. 282
Grocery bag hooks .................................... 285 H
Head restraints ............................................... 137
Head-up display.............................................. 90
Headlights ....................................................... 183
Automatic headlight leveling ................ 184
Automatic High Beam ............................. 186
Light switch .................................................... 183
Replacing light bulbs................................ 353
Heated steering wheel ...............................276
Heaters
Automatic air conditioning system ...268
Heated steering wheel............................ 275
Outside rear view mirrors .................... 269
Seat heaters .................................................. 275
High mounted stoplight
Replacing light bulb..................................353
Hill-start assist control ............................... 250
Hood ................................................................. 325
Warning message........................... 107, 374
Hooks
Cargo hooks................................................ 284
Retaining hooks (floor mat)......................24
Horn ................................................................... 140
Hybrid battery (traction battery)
Location............................................................. 64
Specification ................................................. 402
Hybrid battery air vent ................................. 66
Hybrid system .................................................... 61 Emergency shut off system...................... 67
Energy monitor/consumption screen 94
EV drive mode............................................... 171
High voltage components ....................... 64
Hybrid System Indicator ........................... 82
Hybrid system precautions...................... 64
Hybrid vehicle driving tips ....................255
If the hybrid system will not start ....... 385
Overheating .................................................394
Power switch................................................. 168
Regenerative braking ................................. 62
Starting the hybrid system ...................... 168
Vehicle proximity noti fication system. 63
Hybrid System Indicator.............................. 82
Hybrid transmission...................................... 173
I
I/M test ............................................................ 322
Identification
Engine............................................................... 401
Vehicle ........................................................... 400
Ignition switch (Power switch) ................ 168
Illuminated entry system ........................... 278
Immobilizer system........................................ 69
Indicators ............................................................74
Initialization
Engine oil maintenance data................329
Items to initialize ......................................... 429
Tire pressure warning system ...............341
Inside rear view mirror ............................... 140
Instrument panel light control ................... 84
Interior lights.................................................. 278
Intuitive parking assist
Function .......................................................... 227
Warning message ..................................... 229

452 Alphabetical Index
LEXUS NX300h Owners Manu-
al_USA_OM78212U J
Jack
Positioning a floor jack............................ 326
Vehicle-equipped jack ........................... 378
Jack handle .................................................... 378
Jam protection function
Moon roof ....................................................... 147
Power back door opener and closer. 118
Power windows............................................ 144 K
Keyless entry
Smart access system with push-button
start .................................................................. 122
Wireless remote control......................... 104
Keys.....................................................................102
Battery-saving function ............................ 123
Electronic key ................................................102
Engine switch................................................ 168
If the electronic key does not operate
properly....................................................... 387
If you lose your keys.................................386
Key number plate ........................................102
Keyless entry ................................................. 104
Mechanical key.............................................102
Power switch ................................................ 168
Replacing the battery............................... 347
Warning buzzer ........................................... 122
Wireless remote control key ................ 104
Knee airbags .................................................... 32
L
Lane Departure Alert wi th steering control
(LDA) ..............................................................210
Language (multi-information display) 422
LATCH anchors ............................................. 55
LDA (Lane Departure Alert with steering
control) ...........................................................210 Lever
Auxiliary catch lever .................................325
Hood lock release lever .........................325
Shift lever ..........................................................173
Turn signal lever ...........................................176
Wiper lever .................................................... 189
Lexus Enform Remote.................................. 311
Lexus Enform Safety Connect............... 306
Lexus Enform Service Connect ..............312
Lexus Safety System+................................. 198
Automatic High Beam ............................. 186
Dynamic radar cruise control with full-
speed range ................................................ 217
LDA (Lane Departure Alert with steering
control) ......................................................... 210
PCS (Pre-Collision System) ................203
License plate lights
Light switch .................................................... 183
Replacing light bulbs ................................353
Light
Automatic High Beam system ............. 186
Fog light switch ............................................ 189
Headlight switch.......................................... 183
Illuminated entry system ......................... 278
Interior light list ............................................ 278
Interior lights ................................................. 279
Luggage compartment light ................... 112
Personal lights ............................................. 279
Replacing light bulbs ................................353
Turn signal lever ...........................................176
Vanity lights ................................................. 288
Wattage ..........................................................407
Welcome light illumination control ... 107
Light bulbs
Replacing .......................................... 353, 354
Wattage ..........................................................407
Luggage cover ............................................. 286