1, with full capacity for civil conduct;
2. In addition to the guarantee, it has nothing to do with the entire car loan;
3. Have a legal and stable source of income and proof of assets, and have the ability to repay the loan instead of the borrower;
4. Have a fixed residence in the local area, and have a local account or residence certificate;
5. Have good personal credit.
Legal basis: Article 388 of the Civil Code of People's Republic of China (PRC) establishes a security interest, and a security contract shall be concluded in accordance with this law and other laws. Guarantee contracts include mortgage contracts, pledge contracts and other contracts with guarantee functions. The guarantee contract is a subsidiary contract of the main creditor's rights and debts contract. If the principal creditor's rights and debts contract is invalid, the guarantee contract is invalid, unless otherwise stipulated by law.