Carbon Tetrafluoride, as in Goof-Off, or some other such cancer-in-a-can solution will do the job.
Or...
Since you've paid your deductible, crease another fender and have the pros take care of it. You could even choose the vehicle against which you crease it, like say, the shiny new rig of the road crew supervisor who was busy polishing up his truck to notice he was spraying tar everywhere. Yeah. That has a certain...symmetry to it. Good Luck.
edit: Corrected a spelling mistake. Not that it matters since the error was quoted in the following post. (note to self: smack proofreader in the head at next opportunity
There. I feel better now.