Lexus IS250 U Owner's Manual page 527

Typical DOT and Tire Identification Number (TIN)
DOT symbol
1
Tire Identification Number (TIN)
2
Tire manufacturer' s identification
3
mark
Tire size code
4
Manufacturer' s optional tire type
5
code (3 or 4 letters)
Manufacturing week
6
Manufacturing year
7
*
: The DOT symbol certifies that the tire conforms to applicable Federal Motor Vehicle
Safety Standards.
IS350/250_U (OM53C50U)
*
9-1. Specifications
527
9