My, it's been a long while since I've posted here! Still keeping good habits...
I've got an order out for a few varieties of some small-ish decals advertising a small start-up I'm working on. I've considered placing a decal or two on my DD and have been wondering about any precautions or...
Have you tried using the search function? There are a great deal of threads about body molding protection.
One that is most highly spoken of is Cquartz DLux.
Happy detailing!
If it's an oil stain, the only thing that I personally know of to take it out would be a poultice stain remover. I'm not sure that those are even made for glass, but it would be a last ditch effort if nothing else pulls it out or polishes it off. I use poultice fairly often, and if you have any...
It would be helpful if you could take a close up picture. Aim more directly at the problem area, all of the background in the photos posted is out of focus and therefore useless.
Just try and fill the entire frame up with part of the overhead light in the reflection. Get as close as you can...
That's what I recommend. Or diluted blue Dawn dish soap. Something straight out of the bottle would be the blue Method brand cleaner. Buy a dedicated sealer and apply whenever fluids do not bead. Typically once a year.