The demand for sustainable insurance activities is growing. What could this mean for the future of the insurance business ? This is at the heart of the idea of insurance, and it is necessary to innovate with new products, such as sustainable deposits, which help direct funds to where it is most important for sustainable development. Currently, in the world, the growth rate of leasing different types of vehicles is increasing, For this purpose, the owners of vehicles leasing them need to reduce financial and operational risks. In reducing the risk of leasing vehicles, opening a security deposit for the period of vehicle rental is a positive way out. In this article, we looked at some of the features of a security deposit for a vehicle rental period, depending on the size of the security deposit, the class of vehicle, rental period, and more. Also, considered the risk situations when operating a rental vehicle.