2016 BUICK ENCORE Service Brakes Problems

WHEN STEPPING ON THE BRAKE MY CAR JUMPS AND STALLS. CHECK ENGINE LIGHT IS ON. THIS IS 3 THIRD TIME IT HAS HAPPENED IN NOT EVEN A YEAR

CAR PLOWED INTO BROTHERS CARPORT AND TRAILER DOING $9,000 DAMAGE TO HIS PROPERTY, DID $16,000 DAMAGE TO CAR. INSURANCE COMPANY WOULD NOT TOTAL CAR, HAD IT REPAIRED TOOK OVER THREE MONTHS. GOT CAR BACK AND THE SAME DAY, WAS BACKING OUT OF DRIVEWAY AND BRAKES GOT HARD AND WOULD NOT STOP. I KEPT HITTING BRAKES AND FINALLY STOPPED. HAD VEHICLE TOWED INTO DEALERSHIP, ADAMS BUICK, RICHMOND. THEY REPAIRED IT AFTER FEW DAYS THEY CALLED AND I PICKED IT UP. WAS DRIVING HOME GOT ABOUT HALF A MILE BRAKES DID SAME THING. THEY WORKED ON IT AGAIN AND FOUND $1200. MORE WORK HAD TO BE DONE ON BRAKES. THEY WOULD NOT ACCEPT BLAME FOR BRAKES, INSURANCE COMPANY FINALLY PAID FOR IT AFTER COUPLE MORE WEEKS. THIS MADE TOTAL OF REPAIRS 17,200.00 STILL WOULD NOT TOTAL CAR. WE STILL HAVE THIS CAR VALUE IS $12,500 ACCORDING TO ADAMS BUICK AND WE OWE...