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Previous owner waxed a lot. And got wax and polishing compound all over the OnStar antenna, rear diffuser etc.
I used to use a product called "Black again" which was OK but only seemed to hide the wax and polish marks.
What do you guys use now? What works?
I used to use a product called "Black again" which was OK but only seemed to hide the wax and polish marks.
What do you guys use now? What works?