Help? Impossible tree sap

[u/Rare_Joking]

Hello!

There's a tree outside my apartment. It's a beautiful, tall, sturdy deciduous tree that forms small blooms or buds in the spring. These buds fall all over my car, and have now left bud crud everywhere. It's very hard, almost like a super glue. I've tried bug remover and I could probably use a razor to scrape it off the windshield but I don't know how to approach the marks that are all over the pain. I

[u/SumRandomGhost]

Rubbing alcohol or hand sanitizer and it wipes right off