a little after i got my last carwash the brakes started squealing madly. i called infiniti and they told me that it was the degreaser use to remove brake dust and to wait a few days. it has since been 3 weeks and it has gotten worse to the point of a loud scraping sound, as if my brake material is all gone and its just scraping metal. i have a service appointment in a few days, any thoughts?

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