2010 CADILLAC DTS Wheels Problems

(1) MY 2010 CADILLAC DTS IS EQUIPPED WITH THE FACTORY OPTIONAL CHROME RIMS. THE CAR WAS BUILT THE END OF MAY, 2010, AND BY JUNE, 2014, WITH APPROXIMATELY 54,000 MILES, ONE RIM WAS SO BADLY CORRODED IT WOULD NO LONGER HOLD AIR. ONE OTHER RIM WAS ALSO CORRODING BADLY, BUT WAS STILL HOLDING AIR BEFORE I REPLACED IT. THE OTHER TWO RIMS HAD SOME CORROSION, BUT TO A MUCH LESSER EXTENT THAN THE OTHERS. THE LOW TIRE PRESSURE WARNING SENSOR HAD STOPPED WORKING ON THE TIRE THAT WAS LOSING PRESSURE, BUT IS WORKING SATISFACTORILY ON THE NEW RIM. IN MY OPINION, CADILLAC SHOULD BE FORCED TO RECALL ANY OF THESE RIMS THAT HAVE CORRODED--TRUE, MICHIGAN USES SALT ON ITS ROAD DURING THE WINTER, BUT THIS IS SOMETHING CADILLAC CERTAINLY KNEW ABOUT AND THAT IT SELLS A LARGER NUMBER OF CARS IN MICHIGAN. FURTHER, THE LIST PRICE FOR REPLACEMENT RIMS FROM...