Car polish, something to read about
If you start waxing over the grit, it could scratch your car. Make sure your car is not in the direct sun. Do not attempt to do this on a frigid day, as your labors will not yield much success. Rub the car wax on in circular patterns, using a soft cloth that will not scratch your paint. It is best to apply the wax in sections, so you can tell where you have been.