Sometimes, if the tint is not on the glass for that long, you may either be able to pull the tint off by hand of with a water pressure cleaner, but the front side windows of the van were way beyond that: I had to use razor blade scrapers to get the old tint off. I ordered already a proper metal-holder for those razor blades and a box with 100 blades for next time. One the tough bit was done and the old tint has been removed, except for a little bit of residue, I poored a bit of petrol onto the g