Tl* the contact owns a 2010 infiniti qx56. the contact stated that the defroster failed to defrost the windshield entirely causing the contact to not be able to view out the vehicle. the contact mentioned that the window was 60% defrosted after using the defroster and a scrapper. the vehicle was taken to a dealer where the failure undetermined. the vehicle was not repaired. the manufacturer was not notified of the failure. the approximate failure mileage was 103,000.