2012 FORD ESCAPE HYBRID Seats Problems

MY 2012 FORD ESCAPE HYBRID HAS RUST COVERING THE ENTIRE UNDERSIDE OF THE VEHICLE. I NEVER NOTICED IT UNTIL YESTERDAY WHEN I NOTICED SOME RUST UNDER THE WHEEL WELL. WHEN I LOOKED UNDER THE CAR I WAS HORRIFIED. THE RUST IS REALLY BAD AND IT'S EATING THROUGH TO THE INTERIOR. WHEN I LOOKED CLOSELY I SAW RUST UNDER BOTH SEATS ON THE BRACKETS. WHEN I LOOKED UNDER THE CARPET I CAN SEE THAT IT'S AFFECTING THE INTERIOR UPHOLSTERY. IT IS TOTALLY UNACCEPTABLE TO HAVE THIS AMOUNT OF RUST ON A VEHICLE THAT IS SIX YEARS OLD. I THINK IT MIGHT BE DANGEROUS TO DRIVE THE CAR. THE ENTIRE UNDERSIDE NEEDS TO BE REPLACED. I CHECKED AROUND ONLINE LAST NIGHT AND IT WILL LIKELY COST A LOT TO REPAIR THE PROBLEM IF IT CAN BE REPAIRED AT ALL. LAST YEAR I DID NOTICE THAT THE VEHICLE WAS ALWAYS HUMID ON THE...