DRIVING ON STREET APPROACHING AN INTERSECTION WHERE I WAS TURNING LEFT AND HAD A GREEN LIGHT WHEN THE ABS/ESC LIGHTS ON THE DASH TURNED ON AND BRAKES STOPPED WORKING. THIS CAUSED ME TO ROLL THROUGH THE INTERSECTION AND ALMOST CAUSE AN ACCIDENT. HAD TO STOP BY ROLLING INTO CURB. FOUND THE BRAKES DO WORK SOMEWHAT NOW BUT ARE DANGEROUSLY WEAK.