2006 Hyundai Sonata Owner's Manual - Page 253

8 CONSUMER INFORMATION, REPORTING SAFETY DEFECTS & BINDING ARBITRATION OF WARRANTY CLAIMS 6 o V: Speed Rating. The speed rating denotes the speed at which a tire is designed to be driven for extended periods of time. The ratings range from "A" to "Z" (98 to 186 MPH). 3. TIN (Tire Identification Number) for new tire (example: DOT XX XX XXX XXXX) o DOT: Abbreviation for the "Department of Transportation". The symbol can be placed above, below or to the left or right of the Tire Identification Number. It indicates the tire is in compliance with the U.S. Department of Transportation Motor Vehicle Safety Standards. o 1st two-digit code: Manufacturer's identification mark o 2nd two-digit code: Tire size o 3rd three-digit code: Tire type code (Optional) o 4th four-digit code: Date of Manufacture o Four numbers represent the week and year the tire was built. For example, the numbers 3105 means the 31st week of 2005. 4. Tire ply composition and material The number of layers or plies of rubbercoated fabric in the tire. Tire manufacturers also must indicate the materials in the tire, which include steel, nylon, polyester, and others. The letter "R" means radial ply construction; the letter "D" means diagonal or bias ply construction; and the letter "B" means belted-bias ply construction. 5. Maximum permissible inflation pressure This number is the greatest amount of air pressure that should be put in the tire. Do not exceed the maximum permissible inflation pressure. Refer to the Tire and Loading Information label for recommended inflation pressure. 6. Maximum load rating This number indicates the maximum load in kilograms and pounds that can be carried by the tire. When replacing the tires on the vehicle, always use a tire that has the same load rating as the factory installed tire. 7. Uniform Tire Quality Grading (UTQG): Tire manufacturers are required to grade tires based on three performance factors: treadwear, traction and temperature resistance. For more information, see Uniform Tire Quality Grading on page 8-14.