It's the last four Numbers of a series that starts with DOT4.

就是以DOT开始的一串数字的最后四位。

youdao

Here's how you can take control for yourself: Every tire has a date code. It's the last four Numbers of a series that starts with DOT4.

要为自己负责，这里有办法：每个轮胎上都有一个日期码。就是以DOT开始的一串数字的最后四位。

youdao