Defroster/defogger/hvac System problems of the 2013 Chevrolet Equinox

The contact owns a 2013 Chevrolet Equinox. The contact stated that the switch used to control the defroster failed to operate as needed. Due to the failure, the vision through the windshield was obstructed while driving. The dealer was contacted and acknowledged the failure; however, the contact was provided a diagnostic test fee to determine the cause of the failure. The manufacturer was not notified of the failure. The vehicle was not yet repaired. The failure mileage was approximately 54,000.