1. If the second loan of the vehicle has not been repaid, you can apply for deferred repayment. If the car loan is temporarily overdue, the user should contact the lending institution, explain the reasons for the inability to repay, and then apply for deferred repayment. As long as the user is not maliciously overdue, the lending institution will usually agree to the user's application. The advantage of successful negotiation between users and lending institutions is that users will not encounter collection during the overdue period.

2. Legal basis: Article 394th of the Civil Code of People's Republic of China (PRC).

In order to ensure the performance of the debt, if the debtor or a third party mortgages the property to the creditor without transferring the possession of the property, if the debtor fails to perform the due debt or realize the mortgage according to the agreement of the parties, the creditor has the right to be compensated in priority for the property.

The debtor or the third party specified in the preceding paragraph is the mortgagor, the creditor is the mortgagee, and the property that provides guarantee is the mortgaged property.

Second, what will happen if the second loan of the vehicle is not paid to the parties?

1. Lending institutions will urge repayment by sending SMS reminders and telephone reminders, which will also affect personal and family life;

2. If the car loan is overdue, it will not only generate a penalty interest, but also be charged according to the loan contract, and it will also be reported to the central bank's credit information center, leaving bad information in the personal credit information report, which will affect the behaviors that need to evaluate personal credit such as loans and credit cards;

3. To a certain extent, the bank has the right to recover the loan by suing the court and auctioning the mortgaged vehicle.