I agree...I would give a very nice wash, remove the decontaminates and inspect the Audi and go from there. I would still put a layer of polish because they dont come from the manufactior detailed. Have fun. Posts pics when your done.
I was invited here by Dave @ Innovative Detailing so I joined up. I know this is some great stuff and Im glad its all made in America. I look forward to learning more on this site.