I WAS BEGINNING TO MERGE SOUTH ON I75 BUT PULLED OVER ON THE SHOULDER BEFORE MY SPEED REACHED APPROX 50 MPH AND I WAS LESS THAN .2 MILES ON THE RAMP. I IMMEDIATELY PULLED OVER WHEN I COULD SMELL AND SAW SMOKE COMING OUT OF THE VENTS ON THE DASH. UPON EXITING THE CAR I SAW FLAMES UNDER THE HOOD. WHILE I WAS GETTING MY CHILDREN OUT OF THE CAR, A FEW MEN HAD STOPPED TO HELP WITH FIRE EXTINGUISHERS, BUT THEY WERE UNSUCCESSFUL. THE FIRE CHIEF THOUGHT THAT THE CAUSE MAY HAVE BEEN AN ELECTRICAL SHORT OR SOME SOFT OF MANUFACTURING DEFECT. I AM NOT CERTAIN WHAT CAUSED THE FIRE UNDER THE HOOD, BUT DO KNOW THAT I HAD NOT HAD ANY ISSUES WITH THE CAR UNTIL JUNE 4TH. IT WAS A 2019 ;EASE THAT I HAVE BEEN LEASING LESS THAN A YEAR. THE CAR WAS BRAND NEW WHEN I ROLLED IT OFF THE LOT. IT WAS IN THE DEALERSHIP ON 1/31 FOR SCHEDULED MAINTENANCE. *TR