2006 Nissan Xterra Owner's Manual - Page 254
2006 Nissan Xterra Manual
Page 254 highlights
7. H: Tire speed rating. You should not drive the vehicle faster than the tire speed rating. WDI0396 Example 2 TIN (Tire Identification Number) for a new tire (example: DOT XX XX XXX XXXX) 4. Three-digit code: Tire type code (Optional) 5. Three-digit code: Date of Manufacture 6. Four numbers represent the week and year the tire was built. For example, the numbers 3103 means the 31st week of 2003. If these numbers are missing, then look on the other sidewall of the tire. 3 Tire ply composition and material 1. DOT: Abbreviation for the Department Of Transportation. The symbol can be placed above, below or to the left or right of Tire Identification Number. 2. Two-digit code: identification mark 8-36 Maintenance and do-it-yourself Manufacturer's 3. Two-digit code: Tire size