Tl* the contact owns a 2008 audi a4. the contact stated that while driving approximately 55 mph, the vehicle made a very loud explosion sound. after inspecting the vehicle, the contact noticed that the back windshield had exploded and there was shattered glass inside the vehicle. the vehicle was taken to a dealer. the vehicle was not diagnosed or repaired. the manufacturer was notified of the failure. the approximate failure mileage was 62,000. updated 11/20/14*cn