There are two spots on my rear window where it looks like someone tried to scrub stuff off with a Brill-O pad. There are little areas of light scratches that show up like bright blotches when the sun hits 'em. It's a visual blemish, and a bit distracting when driving. And, there are some minor wiper scratches and tiny highway debris chips in the windshield. All around, my car's glass could use some gussying up. So I wonder, do any of you know of a way to buff light scratches out of auto glass? Would I do it the same way as with the paint, but with more elbow grease? Or is there a particular product/method I would have to use?

TIA, Andy