OK, Here is the area where on my car there is a plate and guide post for the hood.
Since you do not have the plate - that step is unnecessary.
Use a flashlight to look into the hole and ID the tab on the front of the side marker. Using a LONG screwdriver or I used a long drill bit to push in the tab. The assembly will then pop out towards you like this:
IM me if you need clarification of any of this.. It really is easy and DOES NOT require removal of any wheel well components..