To get to the screws you need to remove the headlights you will need to remove the bumper cover. There are 4 on the bottom quite a few alone the top and then you will need to go in through the wheel well . The only video I could find on this that was close is here
https://www.youtube.com/watch?v=hg5mfRTORqY
it should help get the cover off. Remember your not removing the bumper only the cover