3416-2. Maintenance
LEXUS NX300h Owners Manual_USA_M78578_en
6
Maintenance and care
Luggage compartment
ItemsCheck points
12-volt batteryCheck the connections.
( P.354)
Vehicle interior
ItemsCheck points
Accelerator
pedal
The accelerator pedal
should move smoothly
(without uneven pedal
effort or catching).
Hybrid trans-
mission “Park”
mechanismWhen parked on a slope
and the shift lever is in P, is
the vehicle securely
stopped?
Brake pedal
• Does the brake pedal
move smoothly?
• Does the brake pedal have appropriate clear-
ance from the floor?
• Does the brake pedal have the correct amount
of free play?
Brakes
• The vehicle should not pull to one side when
the brakes are applied.
• The brakes should work effectively.
• The brake pedal should not feel spongy.
• The brake pedal should not get too close to the
floor when the brakes
are applied.
Head
restraintsDo the head restraints
move smoothly and lock
securely?
Indica-
tors/buzzersDo the indicators and
buzzers function properly?
LightsDo all the lights come on?
Parking brake
• Does the parking brake switch operate nor-
mally?
• When parked on a slope and the parking brake is
on, is the vehicle
securely stopped?
Seat belts
• Do the seat belts oper-ate smoothly?
• The seat belts should not be damaged.
SeatsDo the seat controls oper-
ate properly?
Steering
wheel
• Does the steering wheel rotate smoothly?
• Does the steering wheel have the correct amount
of free play?
•There should not be any strange sounds coming
from the steering wheel.
Vehicle exterior
ItemsCheck points
DoorsDo the doors operate
smoothly?
Engine hoodDoes the engine hood lock
system work properly?
Fluid leaks
There should not be any
signs of fluid leakage after
the vehicle has been
parked.
ItemsCheck points
4388-1. Specifications
LEXUS NX300h Owners Manual_USA_M78578_en
nation, can cause heat buildup and
possible tire failure.
Glossary of tire terminology
Tire related
termMeaning
Cold tire
inflation
pressure
Tire pressure when the vehi-
cle has been parked for
three hours or more, or has
not been driven more than 1
mile or 1.5 km under that
condition
Maximum
inflation
pressureThe maximum cold inflated
pressure to which a tire may
be inflated, shown on the
sidewall of the tire
Recom-
mended
inflation
pressureCold tire inflation pressure
recommended by a manu-
facturer
Accessory
weight
The combined weight (in
excess of those standard
items which may be
replaced) of transmission,
power steering, power
brakes, power windows,
power seats, radio and
heater, to the extent that
these items are available as
factory-installed equipment
(whether installed or not)
Curb weight
The weight of a motor vehi-
cle with standard equip-
ment, including the
maximum capacity of fuel,
oil and coolant, and if so
equipped, air conditioning
and additional weight
optional engine
Maximum
loaded vehi-
cle weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options
weight
Normal
occupant
weight150 lb. (68 kg) times the
number of occupants speci-
fied in the second column of
Table 1
* that follows
Occupant
distribution
Distribution of occupants in
a vehicle as specified in the
third column of Table 1
*
below
Production
options
weight
The combined weight of
installed regular production
options weighing over 5 lb.
(2.3 kg) in excess of the
standard items which they
replace, not previously con-
sidered in curb weight or
accessory weight, including
heavy duty brakes, ride lev-
elers, roof rack, heavy duty
12-volt battery, and special
trim
Rim
A metal support for a tire or
a tire and tube assembly
upon which the tire beads
are seated
Rim diame-
ter
(Wheel
diameter)
Nominal diameter of the
bead seat
Rim size des-
ignationRim diameter and width
Tire related termMeaning
472Alphabetical Index
LEXUS NX300h Owners Manual_USA_M78578_en
Brake Hold .....................................................187
Fluid .................................................................. 429
Parking brake ............................................... 184
Regenerative braking ................................. 68
Warning light ...............................................389
Brake assist .....................................................272
Brake Hold .......................................................187
Break-in tips..................................................... 157
Brightness control Instrument panel light control ................88
BSM (Blind Spot Monitor)....................... 262 Blind Spot Monitor function................. 265
Rear Cross Traffic Alert function....... 267
BSM (Blind Spot Monitor) main switch .......................................................................... 262
C
Card key .......................................................... 106
Care Aluminum wheels ...................................... 332
Exterior ........................................................... 335
Interior ............................................................. 335
Seat belts........................................................ 335
Cargo capacity........................... 161, 164, 424
Cargo hooks .................................................308
Cargo net hooks ..........................................308
Chains ..............................................................280
Child restraint system....................................47 Booster seats installation .......................... 53
Convertible seats installation.................. 52
Front passenger occupant classification system ............................................................... 41
Infant seats definition................................... 48
Infant seats installation .................................. 51
Installing CRS with LATCH anchors . 55
Installing CRS with seat belts.................... 51
Installing CRS with top tether strap..... 57
LATCH anchors ........................................... 55
Child safety ........................................................47 12-volt battery precautions .........355, 417
Airbag precautions.......................................37
Back door precautions...............................114 Child restraint system ................................. 47
How your child should wear the seat belt
............................................................................. 27
Installing child restraints............................. 47
Moon roof precautions............................ 152
Power window lock switch .................... 149
Power window precautions .................. 149
Rear door child-protectors ..................... 113
Removed key battery precautions....370
Seat belt extender precautions.............. 27
Seat belt precautions ..........................26, 47
Seat heater precautions..........................299
Child-protectors............................................. 113
Cleaning ...............................................332, 335 Aluminum wheels ...................................... 332
Exterior............................................................ 332
Interior .............................................................335
Seat belts ........................................................335
Clock ..................................................................312
Compass ......................................................... 328
Condenser ..................................................... 352
Console box .................................................. 306
Consumption screen .................................... 99
Coolant Capacity ......................................................... 427
Checking ........................................................ 351
Preparing and checking before winter.......................................................................... 279
Warning light .............................................. 389
Cooling system...............................................351 Hybrid system overheating ................... 418
Cornering lights .............................................192
Coussins gonflables Modification et élimin ation en fin de vie
des coussins gonflables ......................464
Précautions avec les coussins gonflables latéraux ....................................................... 460
Précautions avec les coussins gonflables latéraux et rideau ................................... 460
Précautions avec les coussins gonflables pour votre enfant ................................... 460
Précautions avec les coussins gonflables
474Alphabetical Index
LEXUS NX300h Owners Manual_USA_M78578_en
Replacing the battery...............................369
Electronically Controlled Brake System (ECB) .............................................................272
Emergency flashers ....................................380
Emergency, in case of If a warning buzzer sounds ................. 388
If a warning light turns on ..................... 388
If a warning message is displayed.....398
If the 12-volt battery is discharged ...... 414
If the electronic key does not operate properly......................................................... 412
If the fuel filler door cannot be opened .............................................................................411
If the hybrid system will not start ........409
If the vehicle is trapped in rising water .......................................................................... 381
If you have a flat tire .................................. 402
If you lose your keys.....................................411
If you think something is wrong .........386
If your vehicle becomes stuck............... 421
If your vehicle has to be stopped in an
emergency ............................................... 380
If your vehicle needs to be towed .....383
If your vehicle overheats ......................... 418
Energy monitor ............................................... 99
Engine .............................................................. 425 Accessory mode ......................................... 177
Compartment .............................................348
Engine switch................................................. 174
Hood................................................................ 346
How to start the hybrid system ............ 174
Identification number ............................... 425
If your vehicle has to be stopped in an
emergency ............................................... 380
Ignition switch (power switch) .............. 174
Overheating.................................................. 418
Power switch ................................................. 174
Engine compartment cover .................... 349
Engine coolant Capacity ......................................................... 427
Checking .........................................................351
Preparing and checking before winter .......................................................................... 279
Warning light .............................................. 389
Engine coolant temperature gauge ....... 84
Engine oil Capacity ......................................................... 426
Checking .......................................................349
Warning light .............................................. 389
Engine switch .................................................. 174
EPS (Electronic Power Steering) Function .......................................................... 272
Warning light .............................................. 390
EV drive mode................................................178
EV indicator ...................................................... 68
Event data recorder (E DR) ........................... 8
F
Flat tire ............................................................. 402
Tire pressure warning system ............ 359
Floor mats .......................................................... 24
Fluid Brake ................................................................ 429
Transmission.................................................428
Washer ...........................................................353
Fog lights Replacing light bulbs ................................375
Switch................................................................ 196
Front passenger occupant classification system ................................................................ 41
Front passenger’s seat belt reminder light .......................................................................... 393
Front seat heaters........................................300
Front seats ........................................................132 Adjustment ......................................................132
Cleaning .........................................................335
Correct driving posture ............................ 25
Driving position memory ........................ 138
Head restraints............................................... 141
Power easy access system .................... 138
Seat heaters ................................................. 300
Seat position memory .............................. 138
Front side marker lights Light switch .................................................... 190
476Alphabetical Index
LEXUS NX300h Owners Manual_USA_M78578_en
Initialization
Items to initialize ......................................... 454
Inside rear view mirror ................................144
Instrument panel light control ................... 88
Interior lights.................................................. 302
Intuitive parking assist Enabled/disabled on the system ....... 248
Function .......................................................... 248
Warning message..................................... 249
J
JackPositioning a floor jack............................ 346
Vehicle-equipped jack ........................... 402
Jack handle .................................................... 402
Jam protection function Moon roof ........................................................ 151
Power back door closer ............................121
Power windows........................................... 148
Rear seats ........................................................ 137
K
Keyless entrySmart access system with push-button start .................................................................. 126
Wireless remote control..........................107
Keys.................................................................... 106 Battery-saving function ............................ 127
Electronic key ............................................... 106
Engine switch................................................. 174
If the electronic key does not operate properly......................................................... 412
If you lose your keys.....................................411
Key number plate ....................................... 106
Keyless entry ......................................... 110, 126
Mechanical key............................................ 106
Power switch ................................................. 174
Replacing the battery...............................369
Warning buzzer ........................................... 127
Wireless remote control key .................107
Knee airbags .................................................... 32
L
Lane Departure Alert with steering control (LDA) .............................................................227
Lane Tracing Assist (LTA) .........................218
Language (multi-information display) 446
LATCH anchors ............................................. 55
LDA (Lane Departure Alert with steering control) ..........................................................227
Lever Auxiliary catch lever .................................346
Hood lock release lever .........................346
Shift lever .........................................................180
Turn signal lever .......................................... 183
Wiper lever .................................................... 196
Lexus Enform Remote.................................. 65
Lexus Enform Safety Connect.................. 60
Lexus Enform Service Connect ............... 66
Lexus Safety System+ 2.0 Automatic High Beam ............................. 193
Dynamic radar cruise control with full-
speed range .............................................. 237
LDA (Lane Departure Alert with steering control) ........................................................ 227
LTA (Lane Tracing Assist) ..................... 218
PCS (Pre-Collision System) ................... 211
RSA (Road Sign Assist)..........................235
License plate lights Light switch .................................................... 190
Replacing light bulbs ................................375
Light Automatic High Beam system ............. 193
Cornering lights ...........................................192
Fog light switch ............................................ 196
Headlight switch.......................................... 190
Illuminated entry system .........................302
Interior light list ............................................302
Interior lights ................................................ 303
Luggage compartment light ................... 116
Personal lights ............................................ 303
Replacing light bulbs ................................375
Turn signal lever .......................................... 183
LEXUS NX300h Owners Manual_USA_M78578_en
Alphabetical Index479
How to wear your seat belt ......................27
How your child should wear the seat belt
.............................................................................27
Pregnant women, proper seat belt use ............................................................................ 26
Reminder light and buzzer ................... 393
Seat belt extender .........................................27
Seat belt instructions for Canadian own- ers...................................................................456
Seat belt pretensioners .............................. 30
SRS warning light ......................................390
Seat heaters ................................................... 299
Seat position memory................................. 138
Seat ventilators .............................................. 301
Seating capacity................................. 164, 424
Seats Adjustment............................................132, 133
Adjustment precautions .................132, 134
Child seats/child restraint system installa-tion .....................................................................47
Cleaning......................................................... 335
Driving position memory........................ 138
Folding down the rear seatbacks........134
Front seat heaters ..................................... 300
Head restraint..................................................141
Power easy access system .................... 138
Properly sitting in the seat ........................ 25
Rear seat heaters ...................................... 300
Seat position memory .............................. 138
Seat ventilators............................................. 301
Sécurité de l’enfant Précautions avec les coussins gonflables.........................................................................460
Sensor Automatic High Beam system..............193
BSM (Blind Spot Monitor) ................... 265
Inside rear view mirror..............................145
Intuitive parking assist.............................. 248
Kick sensor....................................................... 118
Radar sensor................................................205
Rain-sensing windshield wipers.........200
Service plug ...................................................... 70 Service reminder message ..................... 339
Shift lever ......................................................... 180
Shift lock system.............................................. 181
Side airbags ...................................................... 32
Side doors.......................................................... 110
Side marker lights
Light switch .................................................... 190
Replacing light bulbs ....................375, 376
Wattage ............................................................431
Side mirrors .....................................................146 Adjusting and folding................................ 146
Blind Spot Monitor (BSM).................... 262
Heaters............................................................ 292
Side turn signal lights Replacing light bulbs ................................375
Turn signal lever .......................................... 183
Smart access system with push-button start...................................................................126Antenna location ..........................................126
Entry functions ....................................... 110, 115
Starting the hybrid system .......................174
Warning message .................................... 398
Snow tires ....................................................... 279
Spare tire Inflation pressure ....................................... 430
Storage location .........................................402
Spark plug ...................................................... 428
Specifications ................................................ 424
Speedometer ................................................... 84
Sport mode .................................................... 270
Steering wheel Adjustment ......................................................143
Heated steering wheel ............................299
Power easy access system .................... 138
Stop lights Replacing light bulbs ................................375
Storage feature ............................................305
Storage precautions...................................305
Stuck If the vehicle becomes stuck ..................421
Sun visors ..........................................................312