Dry fit the panel

Take a pencil and make a mark through the 8 slots around the panel

Take a mounting clip, and insert it behind the rubber trim. Keep it centered on your mark. Repeat for the other 7.

Put the panel in place, install one screw to hold it in place.

If necessary, use the allen key to help line up the holes.

If necessary, use the allen key to help line up the holes. While the holes are lined up, thread in a screw on the other side.

Thread in all remaining screw by hand. Make any final adjustments, then tighten fully (by hand, no drill).

All Done!