Very first oil change I did at 1500 miles it felt like the crush washer was welded onto the plug. So I went ahead and left it. Just did another change at 6000 and got after it with a flathead screwdriver and eventually felt like I was messing up some of the threads. Had to drive to a dealership and buy a new one. This N has been the only vehicle I've ever driven that uses washers instead of a plug with a built in gasket. Why did Hyundai choose to go this route? And does anyone make a reusable drain plug?