The driver is responsible for any damage on the rented car. The amount can be up to the blocked deposit on your credit card. For any accident caused, you will need to get a police report. Please also contact directly the local rental car agency. They will instruct you what is the procedure. If you don't have taken out any extra insurance, you might be charged up to the deposit amount blocked on your credit card. If you have a full comprehensive refund insurance, please ask for the invoice of the damage by the local company. With the invoice, you can request a refund by the insurance. Search car rental on https://www.jordancar.net/amman-queen-alia-airport-car-rental.htm