Removing dried Menzerna splatter
About seven or eight weeks ago, I let my cousin try out my Metabo rotary on the trunk lid. It needed to be repainted anyways, which was taken care of about a month ago when some idiot went demolition derby on the back of my car. I don't think he ever really started to break the clear down, he did get splatter all over the rear windshield.
What should I use to clean off/remove old, dried, Menzerna SIP polish (mainly from the rear window)?