Why is there no production date on new car tires?

[Steve]

If there is no production date on the sidewall of the tire, it may be due to the tire being mounted inside out or the production date being worn off. Here is relevant information: Tire date: When a tire is mounted on the rim, the outer side should face outward. The outer side of the tire is marked with "outside," so when installing the tire, ensure the side marked "outside" faces outward. No date: If a new tire does not have a production date when purchasing, do not buy such a tire. Additional information: When replacing tires, always pay attention to the production date marked on the tire. There is a 4-digit number on the tire sidewall: the first two digits indicate the week of the year, and the last two digits indicate the year. For example, "3512" means the tire was produced in the 35th week of 2012.