Tl*the contact owns a 2008 audi a4. the contact constantly heard a very loud squealing noise coming from her brakes. the dealer stated that audi uses semi-metallic material inside the brake pads and all their vehicles make the same noise when the brake pedal is depressed. the contact was more concerned of the noise, rather than the safety aspect. neither the manufacturer nor the dealer was willing to assist with the repairs because there were no recalls. the failure mileage was 10,000 and current mileage was 20,000.