I have a 2006 odysee and I cannot get the cover off- I unscrewed two screws from the back but that is as far as I can get. It seems to be stuck.
Break Lights on 2006 Honda Odyssey
Remove the two screws that secure the tail lamp assembly toward the tailgate. The lamp is still retained by a peg that fits in a plastic socket at the front far edge of the lamp assembly. The lamp assembly pops out with gentle careful prying out the tail lamp assemble at the front of the lamp assembly.