I recently purchased a 2006 9-3 Aero convertible. Love the car but the previous owner had some difficulty avoiding curbs with the front air dam. As a result serval of the vertical rods behind the lower grill have been damaged. I am looking for advice about how to remove the lower grill. There are two fasteners holding it in place but I am not sure how the fasteners work. There seems to be a hex opening with a flat head slot below it. Don't want to damage if possible. Any advice appreciated.....