2013 HYUNDAI EQUUS Wheels Problems

.WE HAVE HAD 3 BLOWOUTS ,ON THREE DIFFERENT OCCASIONS.THE TIRES ARE CONTINENTAL ,275/40/19.THE FIRST ONE WAS IN,NEW JERSEY,DRIVING AT APPROX 35-40MPH,APPROX WITH10K WEAR ONTHE TIRE.TIRE WAS REPLACED AT BRAD BENSON RTE 1,NJ.THE SECOND BLOWOUT WAS IN MAY 2015 WITH ABOUT 20K ONTHE TIRE IN MIAMI,FL,SPEED 35MPH..TIRE WAS RELACED AT DEL RAY HYUNDAI RTE 1FL.THE THIRD BLOWOUT WAS IN MARYLAND ON I95 ,SEPT 18,2015,WITH 23K WEAR ON THE TIRE.APPROX SPEED 70-75MPH.TIRE WAS REPLACED,AT BEL AIR HYUNDAI MD.THE MGR MALCOLM DUNCAN,TEL.NO.410-838-0222 AT BEL AIR HAS TAKEN PHOTOS OF THE DAMAGE TO THE TIRE.HE WOULD WELCOME AN INQUIRYAS TO WHY THIS TIRE FAILED.IN ORDER TO REPLACE THE TIRE THEY HAD TO CUT THE TIRE BY HAND OFF THE WHEEL.ON EACH OCCASION WE DID NOT HIT ANY DEBRIS.I HAVE CONTACTED HYUNDAI,EQUUS,ON EACH OCCASION, ABOUT THESE INCIDENTS ,SO THAT THEY MIGHT RECONSIDER USING THESE TIRES ON THEIR CARS.I I HAVE ALSO CONTACTED CONTINENTAL TIRE ,INFORMING...