ON 11/26/07 THE CAR GOT OVERHEATED, ENGINE CHECK LIGHT CAME ON AND ENGINE SHUT DOWN ON THE HIGHWAY, COOLANT LEAKED OUT, CAR TOWED IN. BRIDGEPORT KEY HYUNDAI REPLACED COOLANT TEMPERATURE SENSOR ON 04/11/08 THE CAR STALLED ON THE HIGHWAY WITHOUT ENGINE LIGHT COMING ON, COOLANT LEAKED OUT, ENGINE FAILURE CAUSED A COLLISION WITH ANOTHER VEHICLE FROM THE BACK. THE CAR WAS TOWED IN, IT NEEDS ENGINE REPLACEMENT. WE BELIEVE THE COOLANT REPAIRS TO BE DEFECTIVE. DEALER DENIES OUR CLAIM AND BLAMES ENGINE FAILURE ON POOR MAINTENANCE. I HAVE READ A NUMBER OF REPORTS ABOUT HYUNDAI ENGINE STALLING/COOLANT LEAK. IN ADDITION ABS/TCS LIGHT HAS BEEN COMING ON WITH THE BRAKE PEDAL VIBRATING AND MAKING NOISE. CAR WOULDN'T STOP AS REQUESTED ESPECIALLY ON WET, ICY SURFACE. DEALER CANNOT LOCATE THE PROBLEM PLEASE INVESTIGATE BOTH DEFECTS. *TR