Because insurance is an agent channel in 4S stores, it is not as cheap as general electricity sales in terms of cost, but he will give away various working hours maintenance vouchers, such as thousands, which is also considered as bundled sales in disguise.
In addition, in terms of maintenance, under normal circumstances, it is very convenient to repair your car and buy insurance in a 4S shop. If there is a problem, just put it in the shop and insure it, but there are two serious problems: there is no flexibility in dealing with the other party's car when an accident occurs; Insurance is moisture. Generally, the premium in the second year is related to the number of maintenance in the previous year. 4S stores may use your trust to open the box at will, which will lead to an increase in your premium in the second year. Or use your insurance to repair someone else's car.
If you know a little about car maintenance and insurance, you can consider not going, but if you don't know much about it, especially the new car, it's still in the 4S shop. After all, the maintenance is over there. If you are insured there, it is relatively easy to handle.
Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.