WHILE AT WORK..CAR( 99 PONTIAC GRAND AM) SAT FOR APPROX 10 HRS DURING WORK SHIFT...LET CAR IDLE FOR APPROX 5-10 MIN TO WARM UP..SMELT SMOKE LEARNED CAR WAS FULLY ENGULFED IN FLAMES,CAR LOCKED SELF AND COULD NOT GET INTO CAR,,CAR WAS A TOTAL LOSS!!!!!!!!! *NM