TL* THE CONTACT OWNS A 2011 HYUNDAI SONATA. WHILE DRIVING AT VARIOUS SPEEDS, THE VEHICLE STALLED WITHOUT WARNING AND SIDESWIPED A RETAINER WALL. THERE WERE NO INJURIES AND A POLICE REPORT WAS NOT FILED. THE CONTACT STATED THAT THE VEHICLE WAS ABLE TO RESTART. THE VEHICLE WAS NOT DIAGNOSED NOR REPAIRED. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBERS: 15V568000 (ENGINE AND ENGINE COOLING) AND 15V759000 (SERVICE BRAKES, HYDRAULIC); HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 38,000.