tire size LEXUS NX300h 2015 Owner's Manual

586 8-2. Steps to take in an emergency
NX300h_U_OM78007U Lower the vehicle.
Firmly tighten each wheel nut two or
three times in the order shown in the
illustration. Tightening torque:
76 ft•lbf (103 N•m, 10.5 kgf•m)
Vehicles with a full-size spare tire:
Reinstall the wheel ornament.
Stow the flat tire, tire jack and all tools. ■
The compact spare tire (Vehicle with compact spare tire) ●
The compact spare tire is identified by the label “TEMPORARY USE ONLY” on the
tire sidewall.
Use the compact spare tire temporarily, and only in an emergency. ●
Make sure to check the tire inflation pressure of the compact spare tire. (  P. 6 1 5 )■
After completing the tire change
The tire pressure warning system must be reset. (  P. 5 1 8 )■
When using the compact spare tire (Vehicle with compact spare tire)
As the compact spare tire is not equipped wi th a tire pressure warning valve and trans-
mitter, low inflation pressure of the spare ti re will not be indicated by the tire pressure
warning system. Also, if you replace the compact spare tire after the tire pressure warn-
ing light comes on, th e light remains on.■
When the compact spare tire is equippe d (Vehicle with compact spare tire)
The vehicle becomes lower when driving with the compact spare tire compared to when
driving with standard tires. 4
5
6
7

6159-1. Specifications
9
Vehicle specifications
NX300h_U_OM78007U 
Ty p e A 
Ty p e BSteering Free play Less than 1.2 in. (30 mm)
Tires and wheels Ti r e s i z e 225/65R17 102H
Tire inflation pressure
(Recommended cold tire
inflation pressure) Driving under normal conditions 
Front
35 psi (240 kPa, 2.4 kgf/cm 2
or bar) 
Rear
35 psi (240 kPa, 2.4 kgf/cm 2
or bar)
Driving at high speeds (above 100 mph [160 km/h])
(in countries where such speeds are permitted by
law)
Add 1 psi (10 kPa, 0.1 kgf/cm 2
or bar) to the front
and rear tires. Never exceed the maximum cold
tire inflation pressure in dicated on the tire side-
wall.
Wheel size 17  7 J
Wheel nut torque 76 ft•lbf (103 N•m, 10.5 kgf•m)
Ti r e s i z e 225/60R18 100H
Tire inflation pressure
(Recommended cold tire
inflation pressure) Driving under normal conditions 
Front
32 psi (220 kPa, 2.2 kgf/cm 2
or bar) 
Rear
32 psi (220 kPa, 2.2 kgf/cm 2
or bar)
Driving at high speeds (above 100 mph [160 km/h])
(in countries where such speeds are permitted by
law)
Add 9 psi (60 kPa, 0.6 kgf/cm 2
or bar) to the
front and rear tires. Never exceed the maximum
cold tire inflation pressure indicated on the tire
sidewall.
Wheel size 18  7 1 /2 J
Wheel nut torque 76 ft•lbf (103 N•m, 10.5 kgf•m)

616 9-1. Specifications
NX300h_U_OM78007U 
Compact spare tire Ti r e s i z e 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 f t •
lbf (103 N •
m, 10.5 kgf •
m)

6219-1. Specifications
9
Vehicle specifications
NX300h_U_OM78007UTire information 
Full-size tire 
Compact spare tireTy p i c a l t i r e s y m b o l s

624 9-1. Specifications
NX300h_U_OM78007U ■
Typical tire size information
The illustration indicates typical tire size.
Ti r e u s e
(P = Passenger car,
T = Temporary use)
Section width (millimeters)
Aspect ratio
(tire height to section width)
Tire construction code
(R = Radial, D = Diagonal)
Wheel diameter (inches)
Load index (2 digits or 3 digits)
Speed symbol (alphabet with one letter)■
Tire dimensions
Section width
Tire height
Wheel diameterTire size 1
2
3
4
5
6
7
1
2
3

628 9-1. Specifications
NX300h_U_OM78007U 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 levelers, 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 diameter
(Wheel diameter) Nominal diameter of the bead seat
Rim size designation Rim diameter and width
Rim type designation The industry manufacturer’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 luggage load plus 150 lb. (68 kg)
times the vehicle’s designated seating capacity
Vehicle maximum load on
the tire The load on an individual tire that is determined by dis-
tributing to each axle its share of the maximum loaded
vehicle weight, and dividing by two
Vehicle normal load on the
tire The load on an individual tire that is determined by dis-
tributing to each axle its sh are of curb weight, accessory
weight, and normal occupant weight (distributed in
accordance with Table 1
* below), and dividing by two
We a t h e r s i d e 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
rimTire related term Meaning

6439-3. Initialization
9
Vehicle specifications
NX300h_U_OM78007UItems to initialize
* : If equippedThe following items must be initialized for normal system operation after such
cases as the 12-volt battery being re connected, or maintenance being per-
formed on the vehicle. Item When to initialize Reference
Message indicating mainte-
nance is required (U.S.A. only) • After the maintenance is per-
formed P. 4 9 2
Tire pressure warning system • When rotating the tires on vehi-
cles with differing front and rear
tire inflation pressures
• When changing the tire inflation
pressure by changing traveling
speed or load weight, etc.
• When changing the tire size P. 5 1 8
Oil maintenance • After the maintenance is per-
formed P. 5 0 6
Power back door
* • After reconnecting or changing
the 12-volt battery
• After changing a fuse P. 1 3 4
Po w e r w i n d o w
• When functioning abnormally
normally P. 1 6 7
Moon roof
* P. 1 7 0

676 Alphabetical index
NX300h_U_OM78007U Parking brake switch..........................213
PCS switch............................................... 311
Power back door opener
and closer switch.................... 130, 131
Power switch......................................... 201
Power window switch ...................... 166
Rear window and
outside rear view mirror
defoggers switch ............................435
Rear window wiper and
washer switch................................... 234
Seat heater switches........................ 440
“SOS” button........................................ 477
Talk switch .................................402, 423
Telephone switches ..........................402
Vehicle-to-vehicle
distance button ................... 240, 253
VSC OFF switch ...............................307
Window lock switch.......................... 166
Windshield wipers and
washer switch...................................228 Tachometer ................................................ 97
Tail lights
Light switch............................................. 219
Replacing light bulbs ....................... 552
Talk switch.................................... 402, 423
Telephone switch ................................. 402
Theft deterrent system
Alarm ..........................................................88
Immobilizer system.............................. 86
Tire inflation pressure
Maintenance data................................615
Warning light ....................................... 567
Tire information ...................................... 621
Glossary................................................. 627
Size ........................................................... 624
Tire identification number ............. 623
Uniform Tire Quality Grading.... 625
Tire pressure warning system
Function .................................................... 517
Initializing ................................................. 517
Installing tire pressure warning
valves and transmitters.................. 517
Registering ID codes .........................519
Warning light ....................................... 567 T

677Alphabetical index
NX300h_U_OM78007U Tires..............................................................516
Chains...................................................... 327
Checking................................................. 516
Glossary ................................................. 627
If you have a flat tire ..........................575
Inflation pressure .....................525, 615
Replacing ...............................................575
Rotating tires ......................................... 516
Size ............................................................. 615
Snow tires ..............................................326
Spare tire ..................................... 575, 616
Tire identification number..............623
Tire pressure warning system ...... 517
Uniform Tire Quality Grading ....625
Warning light .......................................567
Tools........................................................... 576
Top tether strap........................................ 73
Total load capacity ...............................608
Towing
Dinghy towing .................................... 200
Emergency towing........................... 558
Towing eyelet........................................ 561
Trailer towing ..............................187, 199
TRAC (Traction Control) .................305
Trailer towing .................................187, 199 Transmission
Hybrid transmission .........................208
Selecting a driving mode...............303
Trip meters.................................................. 97
Turn signal lights
Replacing light
bulbs ............................ 545, 547, 552
Turn signal lever ................................... 212
Wattage ................................................... 617
USB memory .......................................... 377
USB port .................................................. 345
Vanity lights
Vanity lights ..........................................455
Wattage ................................................... 617
Vanity mirrors........................................ 455
Vanity lights ..........................................455
Vehicle data recordings......................... 10
Vehicle identification number ........ 609
Vehicle Stability Control (VSC) .... 305
Voice command system.....................423
VSC (Vehicle Stability Control) .... 305 U
V

678 Alphabetical index
NX300h_U_OM78007U Warning buzzers
Approach warning ............... 245, 259
Downshifting ......................................... 210
Intuitive parking assist ......................282
Light reminder ....................................... 221
Open door ............................................. 128
Seat belt reminder .............................567
Warning lights
ABS.......................................................... 566
Brake hold operated
indicator ............................................. 566
Brake Override System .................567
Brake system....................................... 565
Charging system............................... 565
Drive-Start Control...........................567
Electric power st eering.................. 566
High coolant temperature............ 565
Low engine oil pressure ................ 565
Low fuel level .......................................567
Malfunction indicator lamp .......... 565
Master warning light.........................567
Parking brake indicator ................. 566
PCS warning light ............................ 566
Seat belt reminder light...................567
Slip indicator ........................................ 566
SRS ........................................................... 566
Tire pressure ........................................567 Warning messages...............................572
Washer
Checking .................................................. 511
Low washer fluid
warning message.................. 511, 572
Preparing and checking
before winter .................................... 326
Switch ...................................................... 228
Washing and waxing .......................... 484
Weights
Cargo capacity........................182, 608
Load limits ................................. 186, 608
Weights ................................................. 608
Wheels ..................................................... 528
Replacing wheels ..............................528
Size .............................................................615
Window glasses...................................... 166
Window lock switch.............................. 166
Windows
Power windows....................................166
Rear window defogger .................. 435
Washer ................................................... 228
Windshield wiper de-icer ................. 436
Windshield wipers
Intermittent windshield wipers .... 228
Rain-sensing windshield
wipers................................................... 230
Winter driving tips ................................326
Wireless charger.................................. 458W