Toyota 2009 Avalon Owner's Manual page 456

6-1. Specifications
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.
Typical DOT and tire identification number (TIN)
434
*
DOT symbol
Tire Identification
(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
Vehicle Safety Standards.
(→P. 340)
Number
Motor