my old vectra the spoiler light blew and would of cost a mint to get fixed (as with everything else with that lemon) however i got a light up exc tip (red led's) and apparently that passed as my 3rd break light, hahaha i dunno how it it, but it has (i have no idea how to put pictures up of it or i would)
but yea maybe something along the bottem of the car, led strip alont the black underbody??, something unique??