I've used lots of things on my windows, polish, showroom shine, rain-x, and it seems the cleaner it is the worse the squeak. I think cleaning the felt gaiters at the bottom of the windows is they key.
I didn't say it was your fault, I said I was blaming you.
the squeaking window noise is caused be the window regulator guide clips. there are four per door. to replace them you will need to take off the door panel, the window and the regulator out. make sure ti use lube when installing new clips and cut one side of the clips at a 45 degree angle so it doesn't contact the metal when operated. if more info needed let me know.
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