2012 ACURA RDX Engine And Engine Cooling Problems

WHILE COMING TO A STOP AT A BUSY INTERSECTION, THE ENGINE SUDDENLY ACCELERATED UP TO 5,000 TO 6,000 RPM WITH MY FOOT ON THE BRAKE AND THE TRANSMISSION IN DRIVE. THE BRAKE WAS NOT HOLDING AND I STARTED MOVING CLOSER TO THE CAR STOPPED FOR THE RED LIGHT IN FRONT OF ME. I THEN PUT THE TRANSMISSION IN NEUTRAL WHILE THE ENGINE WAS STILL AT 5,000 RPM AND GETTING FASTER. FINALLY, THE ENGINE CAME DOWN TO ABOUT 1,000 RPM AND I CONTINUED THROUGH THE INTERSECTION ON THE GREEN LIGHT AFTER PLACING THE CAR IN DRIVE. I DROVE TO WORK AND CALLED THE ACURA DEALER THAT I PURCHASED THIS "CERTIFIED USED CAR" FROM AND THEY CAME TO MY WORK AND HAULED THE ACURA RDX TO THE DEALER LOCATION. THEY INFORMED ME THAT A "SPECIAL ACURA INVESTIGATING TEAM" WILL COME AND LOOK AT THE CAR ON TUESDAY, APRIL 1, 2014. THIS IS...