Step 1: Remove the two 8mm bolts securing the plastic underbody panel to gain access to the rear reflector area.
Step 2: Pull the underbody panel aside and reach up behind the rear reflector. Squeeze the reflector tabs one by one and push them outward to release them from the bumper.
Step 3: With all three tabs released, you should be able to remove it from the bumper.
Step 4: With uniform pressure, insert the IND F90 M5 painted rear reflector into the factory location.
Step 5: Insert the two factory 8mm bolts by hand then tighten.