You can sue and consult a local lawyer.

When borrowing a used car, you need to pay attention. When signing the contract, you must take your time and read it carefully. Many people from guarantee companies will urge you to sign quickly, so you must read the contract carefully. Moreover, after signing the contract, their company will not give you a contract.

A second-hand car mortgage loan refers to a loan issued by a commercial bank to an individual borrower to purchase a second-hand consumer car for self-use and uses the purchased vehicle as collateral for the loan and mortgages it.