PARKED VEHICLE AT 7:40 AM AND 10 MINUTES LATER A WITNESS SAW SMOKE AND FLAMES COMING FROM THE VEHICLE NEAR THE DRIVER'S SIDE WHEEL WELL. NO PROBLEMS WITH VEHICLE PRIOR TO THE FIRE. HAD NOT USED THE CRUISE CONTROL IN A VERY LONG TIME. THE TURN SIGNALS WOULD SOMETIMES CLICK VERY FAST, INDICATING A BULB WAS OUT, BUT NO BULBS WERE DEFECTIVE. THIS HAD BEEN GOING ON FOR A YEAR OR MORE. A NEW ENGINE WAS INSTALLED ABOUT 1 YEAR AGO. NO AFTER MARKET EQUIPMENT. VEHICLE WAS INSURED, BUT A CLAIM WAS NOT MADE DUE TO MINOR DAMAGE. MECHANIC, WHO REPAIRED VEHICLE, INDICATED THAT SPEED CONTROL DEACTIVATION SWITCH CAUSED THE FIRE.*AK