They are brown spots like rust. You can remove them by using the scotch brite. But when u look hard enough u can still some of the residue when you remove them fully. I did the entire car except the hood still need a full hour for that. Im thinking if i use like windex to scrub on the stainless or bar keepers friend? http://images.tapatalk-cdn.com/15/12...0eaf075575.jpghttp://images.tapatalk-cdn.com/15/12...15b4972be7.jpg
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