AFTER DRIVING 30 MILES, I PARKED THE CAR IN THE DRIVEWAY AT MY HOME. APPROXIMATELY 10 MINUTES LATER, I WAS INFORMED THAT THE CAR WAS ON FIRE UNDER THE ENGINE HOOD. I ATTEMPTED TO UNLATCH THE HOOD BUT WAS UNABLE TO DUE TO THE UNLATCH CABLE BEING DESTROYED BY THE FIRE. THE FIRE HAD MELTED A BIG HOLE IN THE HOOD AT THE LEFT REAR CORNER AND HAD DESTROYED THE WINDSHIELD IN THE SAME AREA. I WAS ONLY ABLE TO EXTINGUISH THE FIRE BY USING A WATER HOSE AND SQUIRTING THE WATER THROUGH THE MELTED HOLE IN THE HOOD HOLE. I BELIEVE THAT THE CRUISE CONTROL HAD LEAKED FLUID ON THE ENGINE IN THE AREA OF THE LEFT REAR SPARK PLUG AND HAD STARTED THE FIRE WHICH HAD MELTED ALL THE COMPONENTS IN THE AREA ON THE FIREWALL AREA. THE CRUISE CONTROL WAS INOPERABLE DURING MY PREVIOUS DRIVE.