1. Seek legal aid: Contact local consumer protection organizations or consult lawyers to obtain appropriate legal aid. According to relevant laws and regulations, fraud will be punished, and you have the right to claim compensation.
2. Prepare relevant evidence: collect and save all documents and communication records related to the transaction as evidence. This includes communication records such as car purchase contracts, payment vouchers, e-mails or short messages, which can be provided to investigation organs or judicial departments when necessary.