WHILE DRIVING MY VEHICLE IT STARTED PRODUCING A LIGHT SMOKE THROUGH DEFROST VENT ON PASSENGER SIDE. I STOPPED AND OPENED THE HOOD TO SEE IF SOMETHING WAS ON FIRE IN THE ENGINE AREA AND THERE WAS NOT. I GOT BACK IN MY VEHICLE AND PROCEEDED TO DRIVE IT BACK HOME AND WITHIN SECONDS I HAD BLACK SMOKE ROLLING FROM DASHBOARD AND FLAMES SHOOTING FROM UNDER DASH ON PASSENGER SIDE HITTING PASSENGER SEAT NEXT TO ME I PULLED OVER AND MY SON AND I JUMPED OUT THANKFULLY HE WAS IN BACK SEAT AND THE CAR WAS ENGULFED IN FLAMES WITHIN SECONDS. CAR IS TOTALED. PASSENGER WINDOW QUIT WORKING ABOUT A MONTH AGO BUT I FIGURED IT WAS A WINDOW MOTOR ISSUE BUT NOW I'M WONDERING IF IT WAS CONNECTED.