2005 CADILLAC STS Electronic Stability Control Esc Problems

AFTER DRIVING CAR AND SHUTTING IT OFF AND TRYING TO START IT UNLESS THEN 2 HOURS OF SHUTTING CAR OFF CAR WILL NOT START UNLESS UNHOOKING THE BATTERY

WHILE DRIVING ON THE EXPRESSWAY( AT NIGHT), GOING 70MPH, THE CAR COMPLETELY SHUT DOWN WITHOUT WARNING. I LOST ALL POWER, BRAKES, STEERING, LIGHTS. ON DASH MESSAGE STATED "ACCESSORY ACTIVE" AND THEN "SHIFT TO PARK." TOOK THE CAR TO THE DEALER AND THEY CHANGED THE THROTTLE BODY AND CAM/CRANK SHAFT ALONG WITH A COUPLE OTHER SMALL THINGS. GOT THE CAR BACK, AND 1 WEEK LATER, THE PROBLEM BEGAN AGAIN BUT WORSE. IT WOULD DO IT REPEATEDLY, AT ALL DIFFERENT SPEEDS. A COUPLE OF TIMES RIGHT IN THE MIDDLE OF AN INTERSECTION! TOOK THE CAR BACK TO THE DEALER AGAIN AND THIS TIME THEY CHANGED THE BODY CONTROL MODULE. GOT THE CAR BACK AND ABOUT A WEEK LATER, THE PROBLEM HAS RETURNED! *TR

I WAS DRIVING ALONG A CITY ROADWAY WHEN THE VEHICLE'S STABILITY, TRACTION CONTROL, AND ENGINE LIGHT CAME ON SIMULTANEOUSLY WHEN ALL OF A SUDDEN THE VEHICLE JUST STOPPED, ALMOST CAUSING THE CAR BEHIND ME TO COLLIDE WITH MY VEHICLE. I CALLED THE DEALER, LAWLEY'S GM STORE IN SIERRA VISTA, AZ. WHERE I HAD JUST PURCHASED THE VEHICLE AND TOLD THE SERVICE MANAGER WHAT HAPPENED...HE SENT A TOW TRUCK TO PICKUP THE VEHICLE AND AFTER INSPECTING THE VEHICLE AT THE DEALERSHIP TOLD ME IT WAS THE THROTTLE BODY NEEDING REPLACEMENT...I BOUGHT A NEW ONE AND HAD IT INSTALLED. RAN FINE FOR A COUPLE OF WEEKS AFTER WHICH THE VEHICLE BEGAN STALLING WHILE DRIVING ON A CITY ROAD WHEN THE SAME THING HAPPENED AGAIN, BUT THIS TIME WHEN THE VEHICLE STOPPED WITHOUT ANY WARNING CAUSING THE VEHICLES BEHIND ME HAD TO SWERVE AROUND ME ALMOST CAUSING ACCIDENTS WITH ONCOMING VEHICLES. CALLED THE...