2018 LEXUS NX300h tire type

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

4118-1. Specifications
LEXUS NX300h Owners Manu-
al_USA_OM78212U 8
Vehicle specifications A radial tire has “RADIAL” on the sidewall. A tire not marked “RADIAL” is a bias-ply tire.
TUBELESS or TUBE TYPEA tubeless tire does not have a tube and air is directly put into the tire. A tube type tire has a
tube inside the tire and the tube maintains the air pressure.
Load limit at maximum cold tire inflation pressure ( → P.336)
Maximum cold tire inflation pressure ( → P.406)This means the pressure to which a tire may be inflated.
Uniform tire quality gradingFor details, see “Uniform Tire Quality Grading” that follows.
Summer tires or all season tires ( → P.336)An all season tire has “M+S” on the sidewall. A tire not marked “M+S” is a summer tire.
“TEMPORARY USE ONLY”A compact spare tire is identified by the phrase “TEMPORARY USE ONLY” molded on its
sidewall. This tire is designed for temporary emergency use only.
Type A
DOT symbol *
Tire Identification Number (TIN)
Tire manufacturer’s identification
mark
Tire size code
Manufacturer’s optional tire type
code (3 or 4 letters)
Manufacturing week
Manufacturing year *
: The DOT symbol certifies that the tire
conforms to applicable Federal Motor
Vehicle Safety Standards. 
Type B
DOT symbol *
Tire Identification Number (TIN)
Tire manufacturer’s identification
mark
Manufacturer's code
Manufacturing week
Manufacturing year *
: The DOT symbol certifies that the tire F
G
H
I
J
K
Typical DOT and Tire Identifica-
tion Number (TIN)
A
B
C
D
E
F
G A
B
C
D
E
F

4158-1. Specifications
LEXUS NX300h Owners Manu-
al_USA_OM78212U 8
Vehicle specifications Rim type
designation The industry manufac-
turer’s designation for a rim
by style or code
Rim width Nominal distance between
rim flanges
Vehicle
capacity
weight
(Total load
capacity) The rated cargo and lug-
gage load plus 150 lb. (68
kg) times the vehicle’s des-
ignated seating capacity
Vehicle max-
imum load
on the tire The load on an individual
tire that is determined by
distributing to each axle its
share of the maximum
loaded vehicle weight, and
dividing by two
Vehicle nor-
mal load on
the tire The load on an individual
tire that is determined by
distributing to each axle its
share of curb weight, acces-
sory weight, and normal
occupant weight (distrib-
uted in accordance with
Table 1 *
below), and dividing
by two
Weather
side The surface area of the rim
not covered by the inflated
tire
Bead The part of the tire that is
made of steel wires,
wrapped or reinforced by
ply cords and that is shaped
to fit the rim
Bead sepa-
ration A breakdown of the bond
between components in the
beadTire related
term Meaning
Bias ply tire A pneumatic tire in which
the ply cords that extend to
the beads are laid at alter-
nate angles substantially
less than 90 degrees to the
centerline of the tread
Carcass The tire structure, except
tread and sidewall rubber
which, when inflated, bears
the load
Chunking The breaking away of
pieces of the tread or side-
wall
Cord The strands forming the
plies in the tire
Cord sepa-
ration The parting of cords from
adjacent rubber com-
pounds
Cracking Any parting within the
tread, sidewall, or innerliner
of the tire extending to cord
material
CT A pneumatic tire with an
inverted flange tire and rim
system in which the rim is
designed with rim flanges
pointed radially inward and
the tire is designed to fit on
the underside of the rim in a
manner that encloses the
rim flanges inside the air
cavity of the tire
Extra load
tire A tire designed to operate
at higher loads and at
higher inflation pressures
than the corresponding
standard tireTire related
term Meaning

445What to do if... (Troubleshooting)
LEXUS NX300h Owners Manu-
al_USA_OM78212U 445What to do if... (Troubleshooting)
If you cannot release the shift lever
by depressing the brake pedal with
the power switch in ON mode
( → P.174)
 It is locked automatically to prevent
theft of the vehicle. ( → P.169)
 Is the window lock switch pressed?
The power window except for the
one at the driver’s seat cannot be
operated if the window lock switch
is pressed. ( → P.145)
 The auto power off function will be
operated if the vehicle is left in
ACCESSORY or ON mode (the
hybrid system is not operating) for a
period of time. ( → P.170)
 The seat belt reminder light is flash-
ing
Are the driver and the front passen-
ger wearing the seat belts?
( → P.369)
 The parking brake indicator is on
Is the parking brake released? ( → P.177)
Depending on the situation, other
types of warning buzzer may also
sound. ( → P.365, 374)
 Did anyone inside the vehicle open
a door during setting the alarm?
The sensor detects it and the alarm
sounds. ( → P.71)
To stop the alarm, turn the power
switch to ON mode or start the hybrid
system.
 Is the message displayed on the
multi-information display?
Check the message on the multi-
information display. ( → P.374)
 When a warning light turns on or a
warning message is displayed, refer
to P.365, 374.
 Stop the vehicle in a safe place and
replace the flat tire with the spare The steering wheel cannot be
turned after the hybrid system is
stopped
The windows do not open or
close by operating the power
window switches
The power switch is turned off
automatically
A warning buzzer sounds during
driving An alarm is activated and the
horn sounds
A warning buzzer sounds when
leaving the vehicle
A warning light turns on or a
warning message is displayed
When a problem has occurred If you have a flat tire

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

454 Alphabetical Index
LEXUS NX300h Owners Manu-
al_USA_OM78212U Switch .............................................................. 279
Power back door open er and closer ..... 110
Power control unit coolant
Capacity .........................................................403
Checking .......................................................330
Preparing and checking before winter
......................................................................... 257
Radiator ............................................................331
Power easy access system ........................134
Power outlets ................................................ 289
Power steering (Electric Power Steering
system).......................................................... 250
Warning light ............................................... 367
Power switch .................................................. 168
Power windows
Door lock linked window operation..145
Jam protection function............................ 144
Operation........................................................ 144
Window lock switch ..................................145
Pre-Collision System (PCS)
Function .......................................................... 203
PCS switch ...................................................205
Warning light ............................................... 367
Warning message..................................... 374 R
Radar cruise control (dynamic radar cruise
control with full-speed range)............... 217
Radiator .............................................................331
Rear Cross Traffic Alert ............................. 241
Rear seat
Folding down the rear seatbacks ....... 130
Rear side marker lights
Light switch .................................................... 183
Replacing light bulbs ................................353
Rear turn signal lights
Replacing light bulb ..................................353
Turn signal lever ...........................................176
Rear view mirror
Inside rear view mirror ............................. 140
Outside rear view mirrors.......................142
Rear window defogger ............................. 269
Rear window wiper.......................................194
Refueling ...........................................................196
Capacity .......................................................... 401
Fuel types ........................................................ 401
Opening the fuel tank cap ..................... 196
When the fuel filler door cannot be
opened.........................................................387
Regenerative braking ................................... 62
Remote Touch .............................................. 264
Replacing
Electronic key battery .............................. 347
Fuses.................................................................349
Light bulbs .....................................................353
Tires .................................................................. 377
Reporting safety defects for U.S. owners
.......................................................................... 432
Resetting the message indicating mainte-
nance is required ........................................319
Road accident cautions ............................... 65

460
LEXUS NX300h Owners Manu-
al_USA_OM78212U GAS STATION INFORMATION
Auxiliary catch lever ( → P.325)
Back door opener switch *
( → P.113)
Fuel filler door ( → P.196)
Hood lock release lever ( → P.325)
Tire inflation pressure ( → P.406)*
: Vehicles with power back door
Fuel tank capacity
(Reference) 14.8 gal. (56 L, 12.3 Imp.gal.)
Fuel type Unleaded gasoline only P.401
Cold tire inflation
pressure P.406
Engine oil capacity
(Drain and refill —
reference) P.402
Engine oil type P.402A
B
C
D
E