What is the ruling on purchasing a car from leasing companies that reclaim the car and exempt its owner from the remaining installments if he is unable to pay, while retaining the installments already paid?

If the contract is a lease ending in ownership, then the company and the lessee are bound by the agreed-upon conditions between them, such as the termination of the contract if the lessee delays in paying the rent. However, if it is an installment sale, the company is not allowed to reclaim the car if the customer defaults on payments. Instead, it is permissible to agree on mortgaging the car for its price. If the customer defaults, the company sells the car, recovers the remaining installments, and returns the remainder to the car owner.