2007 Lexus GS 350 Owners Manual - Page 584

6-1. Specifications Radial tires or bias-ply tires A radial tire has RADIAL on the sidewall. A tire not marked RADIAL is a bias-ply tire. TUBELESS or TUBE TYPE A tubeless tire does not have a tube and air is directly filled in the tire. A tube type tire has a tube inside the tire and the tube maintains the air pressure. Load limit at maximum cold tire inflation pressure Maximum cold tire inflation pressure This means the pressure to which a tire may be inflated. (→P. 517) (→P. 517) Uniform tire quality grading For details, see "Uniform Tire Quality Grading" that follows. Summer tire or all season tire (→P. 395) An all season tire has "M+S" on the sidewall. A tire not marked "M+S" is a summer tire. "TEMPORARY USE ONLY" (→P. 474) A compact spare tire is identified by the phrase "TEMPORARY USE ONLY" molded into its sidewall. This tire is designed for temporary emergency use only. Typical DOT and tire identification number (TIN) DOT symbol* Tire Identification Number (TIN) 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. 512