2. Call the police, let the police coordinate the handling, charge reasonably, charge at a discount or not, depending on how to negotiate.
3. Report to the consumer association and blackmail consumers. As long as you don't sign the maintenance project, you can refuse to pay. Relevant laws and regulations protect consumers.
4. If the pricing is unreasonable, report to the industrial and commercial office and the price bureau.
5. After exposing this matter to the influential news media, the 4S shop will ask you how to solve it. Not only will you not have to pay the car repair fee, but you will also get other compensation.
6. Don't use excessive ways to defend rights, such as blocking doors, gathering people to make trouble, threatening others, etc. Now the law has clear provisions in this regard, and you can be detained.
Repair the car well, and millions of technicians will answer your questions.