WHILE DRIVING AROUND 10 MPH ON THE EXPRESSWAY WITH TRAFFIC ALL THE LIGHTS ON DASH BOARD LIT UP AND THE CAR JUST TURNED OFF. I WAS ABLE TO SAFETY PULL CAR OVER TO THE RIGHT AND THEN A STRONG ODOR OF FIRE ENTERED THE VEHICLE. THEN SMOKE STARTED COMING FROM THE HOOD. NO FLAMES JUST SMOKE. WHAT'S EXTREMELY DISTURBING IS I JUST GOT AND OIL CHANGE FROM THE DEALERSHIP 3 DAYS PRIOR, I REQUESTED A CHECK OF THE ENGINE BECAUSE THE CAR SHUT OFF 3 TIMES ONE WEEK PRIOR TO INCIDENT. THE DEALERSHIP STATED THEY CHECK THE ENGINE AND TEST DROVE VEHICLE AND CAR WAS OK TO DRIVE. THIS CAR HAS HAD ISSUES FROM THE VERY FIRST WEEK OF PURCHASING. AND WHAT MAKES ME VERY UPSET AT THE TIME OF THIS ALMOST CATASTROPHIC INCIDENT IS MY WIFE AND 10 MONTH OLD CHILD WERE IN THE CAR DURING THIS INCIDENT. THIS CAR IS ABSOLUTELY THE WORST CAR I HAVE EVER OWNED. AND IT'S UNBELIEVABLE TO ME HOW THESE ARE STILL ON THE ROAD. RECALLING ONLY SEEMS TO PUT A BAND AID ON THE PROBLEM. WHAT'S NEEDED IS FULL CASH REFUNDS TO ALL OWNERS OF 2011 SONATAS. I BELIEVE THE 2011 SONATA MUST HOLD THE RECORD IN A VEHICLES WITH MOST PROBLEMS EVER RECORDED. *TR