Lexus GS460 Owner's Manual page 603

Tire size
DOT and Tire Identification Number (TIN)
Location of treadwear indicators
Run-flat tire (RFT) or standard tire
This vehicle can be equipped with either run-flat tires (RFT) or standard
tires. A "RFT" or "DSST" mark is molded on the sidewall of the run-flat tire.
Tire ply composition and materials
Plies are layers of rubber-coated 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 filled in the tire. A
tube type tire has a tube inside the tire and the tube maintains the air pres-
sure.
Load limit at maximum cold tire inflation pressure
Maximum cold tire inflation pressure
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 tire or all season tire
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 into its sidewall. This tire is designed for temporary emer-
gency use only.
GS_G_U (OM30C11U)
May 21, 2010 1:06 pm
6-1. Specifications
(P. 605)
(P. 604)
(P. 463)
(P. 567)
(P. 609)
(P. 609)
(P. 468)
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