Lexus LS 600h L 2012 Owner's Manual page 566

Summer tires or all season tires
An all season tire has "M+S" on the sidewall. A tire not marked "M+S" is a
summer tire.
Typical DOT and Tire Identification Number (TIN)
6-1. Specifications
*
DOT symbol
Tire Identification Number (TIN)
Tire manufacturer's identifica-
tion mark
Tire size code
Manufacturer's optional tire
type code (3 or 4 letters)
Manufacturing week
Manufacturing year
*
:The DOT symbol certifies that
the tire conforms to applicable
Federal Motor Vehicle Safety
Standards.
(→P. 460)
563
6