THE BRAKES RANDOMLY FAIL. WHEN DEPRESSING THE BRAKE, IT WILL BE SPONGY AND THE PEDAL WILL GO ALL THE WAY TO THE FLOOR WITHOUT FULLY STOPPING THE CAR. IF THE BRAKES ARE PUMPED, THEY USUALLY RETURN TO NORMAL. WHEN RESEARCHING THIS ONLINE, IT BECAME APPARENT THAT THIS IS A COMMON PROBLEM, AND AFTER SPEAKING TO CADILLAC, MY IMPRESSION IS THAT THEY ARE NOT PROACTIVELY TRYING TO SOLVE THIS POTENTIALLY LIFE THREATENING DESIGN FLAW.