Is it fast to learn to repair cars in a 4S shop?

It depends on your attitude towards future development. If you open a 4S shop, you will have to work in the 4S shop all the time, because different vehicles require different technologies and related parameters. Same. Of course, if your technical and understanding abilities reach their peak, you will know everything about these things, but it will take some time to adapt. But you'll get used to it soon. The key to learning quickly or slowly depends on yourself. So the master brings it in, and the practice is personal. 4S has some advantages. Basically, if you ask, they will usually help you answer questions. 4S also has maintenance information for you to study when you have time. And you said it takes a few years to learn, but the key is to look at yourself and not use time to evaluate! And it also depends on what kind of car it is. If you repair an Alto and a Mercedes-Benz, there is a huge difference. There are many electronic devices in the Mercedes-Benz car, and the circuit difficulty is quite the same. The maintenance of the variable box is even more difficult, and you need to master it. There are quite a few techniques and techniques. So naturally it takes more time to learn!