2017 LEXUS RC350 tire size

6619-1. Specifications
9
Vehicle specifications
Full-size tire
Compact spare tire
Tire information
Typical tire symbols

6629-1. Specifications
Tire size (→ P. 664)
DOT and Tire Identification Number (TIN) (→ P. 663)
Location of trea dwear indicators (→ P. 517)
Tire ply composition and materials
Plies are layers of rubber-c oated parallel cords. Cords are the strands which form the
plies in a tire.
Radial tires or bias-ply tires
A radial tire has “RADIAL” on the sidewall. A tire not marked “RADIAL” is a bias-ply
tire.
TUBELESS or TUBE TYPE
A 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. 668)
Maximum cold tire inflation pressure (→ P. 668)
This means the pressure to which a tire may be inflated.
Uniform tire quality grading
For details, see “Uniform Tire Quality Grading” that follows.
Summer tires or all season tires (→ P. 521)
An all season tire has “M+S” on the side wall. 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.
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6639-1. Specifications
9
Vehicle specifications
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
Manufacturer’s code
*: The DOT symbol certifies that the tire conforms to applicable Federal Motor Vehicle
Safety Standards.
Typical DOT and Tire Identification Number (TIN)
Type AType B
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6649-1. Specifications
■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 dimensions
Section width
Tire height
Wheel diameter
Tire size
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6699-1. Specifications
9
Vehicle specifications
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
Bead separationA breakdown of the bond between components in the
bead
Bias ply tireA pneumatic tire in which the ply cords that extend to
the beads are laid at alternate angles substantially less
than 90 degrees to the centerline of the tread
CarcassThe tire structure, except tread and sidewall rubber
which, when inflated, bears the load
ChunkingThe breaking away of pieces of the tread or sidewall
CordThe strands forming th e plies in the tire
Cord separationThe parting of cords from adjacent rubber compounds
CrackingAny parting within the tread, sidewall, or innerliner of
the tire extending to cord material
Tire related termMeaning

719Alphabetical index
Moon roof switches........................... 187
Outside rear view mirror switches ................................................180
Paddle shift switches ............... 215, 216
PCS OFF switch ................................307
Power door lock switch .................. 143
Power window switches ................. 183
Rear window and outside rear view mirror defoggers
switch....................................................439
Seat heater switches.........................446
Seat ventilator switches .................. 447
Snow mode switch..............................214
“SOS” button........................................ 472
Talk switch .............................................407
Telephone switches ..........................407
Tilt and telescopic steering control switch ..................176
Tire pressure warning reset switch..................................................... 519
Trunk opener main switch.............. 148
Trunk opener switch ..........................147
TVD (Torque Vectoring Differential) switch .........................329
Vehicle-to-vehicle distance button ...................................................253
VSC OFF switch .............................. 300
Window lock switch.......................... 183
Windshield wiper and washer switch ......................... 233
Windshield wiper de-icer switch................................................... 440 Tachometer ..................................... 96, 102
Variable red zone ...............................107
Tail lights ...................................................224 Light switch........................................... 224
Replacing light bulbs ...................... 550
Talk switch
*.............................................407
Telephone switches
*...........................407
Theft deterrent system Alarm .......................................................... 83
Engine immobilizer system ..............79
Luggage security system.................148
Theft prevention labels ...................... 85
Tire inflation pressure........................... 531 Maintenance data.............................. 652
Tire inflation pressure display function................................................. 518
Warning light ....................................... 567
Tire information ...................................... 661 Glossary................................................ 668
Size ........................................................... 664
Tire identification number ............. 663
Uniform Tire Quality Grading ..............................................666
T
*: For vehicles with a naviga tion system, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL”.

720Alphabetical index
Tire pressure warning system .......... 518Initializing................................................. 518
Installing tire pressure warning valves and transmitters ................. 518
Registering ID codes ........................ 519
Tire pressure warning reset switch..................................................... 519
Warning light .......................................567
Tires.............................................................. 517 Chains......................................................333
Checking................................................. 517
Emergency tire puncture repair kit ............................................. 606
If you have a flat tire .............592, 606
Inflation pressure ................................652
Information ............................................. 661
Replacing ...............................................592
Rotating tires ......................................... 517
Size ............................................................652
Snow tires ..............................................334
Spare tire ................................................592
Tire inflation pressure display function ................................................. 518
Tire pressure warning system ...... 518
Warning light .......................................567 Tools .............................................. 593, 608
Top tether strap ........................................ 76
Torque Vectoring Differential
(TVD) ..................................................... 329
Total load capacity............................... 204
Towing Dinghy towing ..................................... 206
Emergency towing ...........................556
Towing eyelet ......................................559
Trailer towing.......................................205
TRAC (Traction Control)................. 298
Traction Control (TRAC)................. 298
Trailer towing ......................................... 205
Transmission ............................................ 213 Automatic transmission .................... 213
Driving mode select switch .......... 294
If the shift lever cannot be shifted from P .....................................218
M mode .................................................... 216
Paddle shift switches............... 215, 216
Trip meters....................................... 96, 102