Out of curiosity, how many of those that have had "issues" were rinsing with a pressure washer?
I use a PW and love it, but have found myself going back to hose & nozzle for rinsing. It seems the PW doesn't rinse out all the "nooks and crannies" as well. I suspects the water is coming out so "pressurized" it doesn't have time to "seep" behind emblems, under wheel caps and etc, and what little does get into them, is not enough to rinse.
Maybe a subject for a different thread, if so sorry.
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