I am with Mr. Adjacent on this one. I have washed a lot of cars over the millenium and always have used common dish detergent to cut the grease and road grime before polish and wax. I would not recommend washing with dish detergent and then let it sit outdoors without immediately polishing and waxing. The steps Fray takes are what I do sans the second car shampoo but that is not a bad idea. I believe the trick is to get some wax protection back on the paint asap especially if you store the car outside without a cover. IMHO.
AKL
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