2013 BUICK REGAL Visibilitywiper Problems

FROM THE PURCHASE OF OUR 2013 BUICK REGAL IN THE SPRING OF 2014 (VEHICLE WAS A NEW LEFTOVER), WE EXPERIENCED CONDENSATION BUILDING ON THE OUTSIDE (BOTTOM PORTION) OF THE WINDSHIELD. WE WOULD USE THE DEFROSTER BUT THAT DID NOT CLEAR THE BUILD UP. WE TURNED OFF THE RECIRCULATION AND TRIED ALL SETTINGS TO NO SATISFACTION. NORMALLY ON CLEAR AND LESS HUMID DAYS THERE WAS NO CONDENSATION BUILD UP. HOWEVER WHEN THE DAY WAS HUMID AND A HIGHER DEW POINT, THE BUILD UP WOULD PRESENT ITSELF. WE NORMALLY USED THE WINDSHIELD WIPERS TO CLEAR THE WINDOW FOR VISIBILITY, BUT AT TIMES THE ENTIRE WINDSHIELD WILL FOG UP QUICKLY AND ALMOST COMPLETELY. THIS PRESENTS A VERY DANGEROUS SITUATION IN TRAFFIC BEING THAT WE HAVE FOUND IT DIFFICULT TO DEAL WITH THE PROBLEM WHILE DRIVING (BEING THAT AT TIMES IT COVERS THE WINDSHIELD QUICKLY). THROUGHOUT THE WINTER MONTHS OF 2014 THROUGH 2015, WE...