Lexus IS 350C 2012 Manual page 584

6-1. Specifications
Typical DOT and tire identification number (TIN)
584
*
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.