Which department does the car loan guarantee company complain to if it doesn't refund the deposit?

Legal analysis: if there is a contract between you, according to the contract, if you meet the requirements of refunding the deposit, if the company does not refund it, I suggest you directly sue or entrust a lawyer to send a lawyer's letter for dunning.

Legal basis: People's Republic of China (PRC) Civil Procedure Law.

Article 17 The basic people's courts shall have jurisdiction over civil cases of first instance, except as otherwise provided by this Law.

Article 18 The Intermediate People's Court shall have jurisdiction over the following civil cases of first instance:

(1) Major foreign-related cases;

(two) cases that have a significant impact in the region;

(3) Cases determined by the Supreme People's Court to be under the jurisdiction of the Intermediate People's Court.

Article 119 A prosecution must meet the following conditions:

(1) The plaintiff is a citizen, legal person and other organization that has a direct interest in the case;

(2) Having a clear defendant;

(3) Having specific requests, facts and reasons;

(4) It falls within the scope of civil litigation accepted by the people's court and is under the jurisdiction of the sued people's court.