Each tire has an imprinted DOT code. The four-digit DOT code is usually located in a window on the tire sidewall.
M5EJ 006X - wrong Do not use codes with letters! You need only the numbers.
3017 - proper Find the 4 digit number, 3017 in this example.
- The first two digits of the code represent the week of production during the year (from 1 to 52).
- The second two digits represent the year of manufacture.
- If your DOT code is a 3-digit number, it means your tire was produced before 2000.