Unfortunately I am overseas at the moment and cannot look at my car, however if you look at the backside of the panel where the screw holes are, you should see one hole which it a distance from the structure of the car when installed (meaning there is a gap between the panel and the car), this is where the shouldered screws go, I cannot remember where on the panel this is, sorry. But if you look at the panel you should be able to figure it out.