2012 Toyota Sienna Owners Manual - Page 832

6-1. Specifications Typical DOT and Tire Identification Number (TIN) DOT symbol* Tire Identification (TIN) Number Tire manufacturer's identification 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. 6 Vehicle specifications 803 SIENNA_U (OM45477U)