142
2004 MR2 from Feb. ’04 Prod. (OM17518U)
7. Uniform tire quality grading—
For details, see “Uniform tire quali-
ty grading” that follows.
8. Tire ply composition and mate-
rials—Plies mean a layer of rub-
ber−coated parallel cords. Cords
mean the strands forming the plies
in the tire.
9. “TUBELESS” or “TUBE
TYPE”—A tubeless tire does not
have a tube inside the tire and air
is directly filled in the tire. A tube
type tire has a tube inside the tire
and the tube maintains the air
pressure.
10.Radial tires or bias−ply tires—A
radial tire has “RADIAL” on the
sidewall. A tire not marked with
“RADIAL” is a bias−ply tire.
11.Summer tire or all season
tire—An all season tire has “M+S”
on the sidewall. The tire not
marked with “M+S” is a summer
tire. For details, see “Types of
tires” on page 152.
SB21022a
This illustration indicates typical DOT
and Tire Identification Number (TIN).
1. “DOT” symbol
2. Tire Identification Number (TIN)
3. Tire manufacturer’s identification
mark
4. Tire size code
5. Manufacturer’s optional tire type
code
6. Manufacturing week
7. Manufacturing year
The “DOT” symbol certifies that the
tire conforms to applicable Federal
Motor Vehicle Safety Standards.
03 12.25
—DOT and Tire Identification
Number (TIN)