Tl* the contact owns a 2009 lincoln mkz. the contact was driving approximately 40 mph when he noticed that he was unable to read the speedometer or the information center because of the sun glare. the vehicle was taken to the dealer and they could not duplicate the failure. the dealer advised the contact that he had no issues reading the information center. the contact stated he had the windows tinted to help with his visibility. the tinting did not help with the failure. the vehicle was not repaired. the failure mileage was 1,542 and the current mileage was 4,314.