2019 LEXUS RX450H tire size

7269-1. Specifications
RX450h_RX450hL_U
■Typical tire size information
The illustration indicates typical tire size. Tire use
(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 dimensionsSection width
Tire height
Wheel diameter
Tire size
1
2
3
4
5
6
7
1
2
3

7319-1. Specifications
9
Vehicle specifications
RX450h_RX450hL_U
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 re place, 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
RimA 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 designationRim diameter and width
Rim type designationThe industry manufacturer’s designation for a rim by
style or code
Rim widthNominal 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 desi gnated seating capacity
Vehicle maximum load on
the tireThe 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
Weather sideThe surface area of the rim not covered by the inflated
tire
BeadThe part of the tire that is made of steel wires, wrapped
or reinforced by ply cords an d that is shaped to fit the
rim
Tire related termMeaning

749
RX450h_RX450hL_U
9
Vehicle specifications
9-3. Initialization
Items to initialize
The following items must be initialized for normal system operation after such
cases as the 12-volt battery being reconnected, or maintenance being per-
formed on the vehicle.
ItemWhen to initializeReference
Message indicating mainte-
nance is required (U.S.A. only)• After the maintenance is per- formedP. 588
Tire pressure warning system
• When changing the tire inflationpressure by changing traveling
speed
• When changing the tire size
• When rotating the tires
P. 613
Oil maintenance• After the maintenance is per- formedP. 600
Intelligent Clearance Sonar
(ICS)• After reconnecting or changingthe 12-volt batteryP. 353
Power back door• After reconnecting or changingthe 12-volt batteryP. 150

788Alphabetical index
RX450h_RX450hL_U
Tachometer ............................................... 96
Tail lightsLight switch .......................................... 258
Replacing light bulbs ........................637
Talk switch ..................................... 471, 493
Telephone switch.................................... 471
Theft deterrent system Alarm...........................................................86
Immobilizer system ..............................83
Tire inflation pressure Maintenance data ................................ 717
Warning light .......................................662
Tire information ..................................... 723 Glossary .................................................730
Size ............................................................ 726
Tire identification number.............. 725
Uniform Tire Quality Grading...............................................728
Tire pressure warning system Initializing................................................. 612
Installing tire pressure warning valves and transmitters ................. 612
Registering ID codes ........................ 613
Warning light .......................................662 Tires .............................................................. 611
Chains .......................................................391
Checking .................................................. 611
Glossary................................................. 730
If you have a flat tire .......................... 673
Inflation pressure...................... 620, 717
Replacing ............................................... 673
Rotating tires ........................................... 611
Size ............................................................. 717
Snow tires .............................................. 392
Spare tire...................................... 673, 717
Tire identification number ............. 725
Tire pressure warning system ....... 612
Uniform Tire Quality Grading.... 728
Warning light ....................................... 662
Tools ........................................................... 674
Top tether strap ........................................70
Total load capacity................................. 710
Touchless power back door .............. 144
Towing Dinghy towing ..................................... 238
Emergency towing ........................... 654
Towing eyelet ......................................656
Trailer Sway Control ....................... 382
Trailer towing............................ 224, 237
T

790Alphabetical index
RX450h_RX450hL_U
Warning buzzersApproach warning ............................. 314
Downshifting ........................................249
Intuitive parking assist ......................336
Lane departure alert function ..... 298
Light reminder .................................... 260
Open door ............................................. 140
Pre-collision warning .......................287
Seat belt reminder .............................662
Vehicle sway warning .....................299
Warning lights ABS............................................................ 661
Brake hold operated indicator ............................................... 661
Brake system....................................... 660
Charging system............................... 660
Electric power steering.................... 661
ICS OFF indicator.............................662
LKA indicator........................................ 661
Low fuel level .......................................662
Malfunction indicator lamp .......... 660
Master warning light........................ 663
Parking brake indicator ................... 661
PCS warning light .............................662
Seat belt reminder light...................662
Slip indicator .......................................... 661
SRS ........................................................... 660
Tire pressure ........................................662 Warning messages............................... 667
Washer
Checking ...............................................604
Low washer fluid warning message...............604, 667
Preparing and checking before winter ....................................390
Switch ........................................... 267, 272
Washing and waxing .......................... 580
Weights Cargo capacity.........................220, 710
Load limits ................................... 223, 710
Weights ....................................................710
Wheels ......................................................623 Replacing wheels .............................. 623
Size ............................................................. 717
Window glasses...................................... 196
Window lock switch.............................. 196
Windows Power windows....................................196
Rear window defogger ....................516
Washer ........................................ 267, 272
Windshield wiper de-icer ................... 516
Windshield wiper inserts .................. 628
Windshield wipers ................................ 267 Rain-sensing windshield wipers................................................... 267
Replacing a windshield wiper insert ..................................................... 628
W