WHILE DRIVING ON THE I-15 SOUTH NEAR CAMINO DEL NORTE, MY CAR CAUGHT ON FIRE. THE FIRE CAME FROM THE INSIDE, BACK, DRIVERS SIDE FROM THE ELECTRICAL COMPONENTS! AS I ENTERED THE 15 A FEW MILES BEFORE, I NOTICED ALL OF THE PRESET STATIONS WEREN'T WORKING AND THEN THE CAR GAVE AN AIR BAG WARNING. AFTER THE AIRBAG WARNING, THERE WAS A PARKING BRAKE WARNING. THAT IS WHEN I PULLED OVER, GRABBED MY PURSE, AND NOTICED THE CAR WAS ON FIRE. I CALLED 9-1-1.THE FIRE DEPARTMENT CAME AND PUT THE FIRE OUT.