Rub the backside of your thumbnail over the area of concern. If you feel any roughness as you pass over the "scratch", then it's "in" the glass, not "on" the glass. There are ways of compounding scratches out of windshields, also small dings as well, but these involve precision grinding of the glass surface with a special grinder and abrasives. Also, there is a limit to how much polishing can be done, as this literally removes part of the surface of the glass. It may produce visual distortion or excessive thinning of the outer plate. This is a job for a glass shop. You could rub until doomsday with cleaners and/or pumice and end up tired and dissatisfied. Check in at a local auto glass shop or do a search on the web under polishing glass.

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Jeff L
1987 300e
1989 300e
1987 BMW 325

[This message has been edited by jeffsr (edited 04-22-2000).]