ABS SYSTEM ACTIVATED ON DRY PAVEMENT WHILE PARKING THE CAR. BRAKE PEDDLE WENT TO THE FLOOR CAR KEPT MOVING IT SEEM TO WANT TO ACCELERATE. IT HIT THE OPPOSING PARKED VEHICLE. THIS HAS BEEN A INTERMITTENT PROBLEM. MECHANICS COULD NOT FIND PROBLEM PRIOR TO ACCIDENT AFTER ACCIDENT HAD VEHICLE REPAIRED AT CHEVY DEALER HUBS AND SENSORS REPLACED THIS VEHICLE IS VERY SCARY TO DRIVE.EVEN AFTER REPAIRS THE ABS SYSTEM CAN STILL FUNCTION INAPPROPRIATELY WITHOUT ANY WARNING. *TR