Toyota Camry 2018 Owner's Manual page 557

Tire size (P. 557)
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Summer tires or all season tires (P. 451)
2
An all season tire has "M+S" on the sidewall. A tire not marked "M+S"
is a summer tire.
TUBELESS or TUBE TYPE
3
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.
Radial tires or bias-ply tires
4
A radial tire has "RADIAL" on the sidewall. A tire not marked "RADIAL"
is a bias-ply tire.
DOT and Tire Identification Number (TIN) (P. 556)
5
Location of treadwear indicators (P. 444)
6
Uniform tire quality grading
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For details, see "Uniform Tire Quality Grading" that follows.
Maximum cold tire inflation pressure (P. 547)
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This means the pressure to which a tire may be inflated.
Load limit at maximum cold tire inflation pressure (P. 450)
9
Tire ply composition and materials
10
Plies are layers of rubber-coated parallel cords. Cords are the strands
which form the plies in a tire.
"TEMPORARY USE ONLY"
11
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.
8-1. Specifications
555
8