Ultimate Guide to Cleaning Windows
 

https://i.postimg.cc/pLr2zLzh/car-glass-cleaner.jpg

Ultimate Guide to Cleaning Windows

https://www.motorious.com/articles/f...aning-windows/

Good info
I’ll use a razor blade on outside to get the hardened junk off followed by a spray of white vinegar using newspaper to wipe.
I’ll use rain-x as well

we own a pretty successful detailing business and this is the glass cleaners we use. its the best we have tried.

https://www.bedbathandbeyond.com/sto...UBBg&gclsrc=ds

and

https://external-content.duckduckgo....jpg&f=1&nofb=1

Thanks Frank going to try H.P.G.!