LIKE MANY OTHERS WHO ARE ON VOLVO WEBSITES HAVE REPORTED I TOO HAD A FIRE ON THE DRIVERS SEAT LEFT SIDE DUE TO MY SEAT HEATER. I NOW HAVE A HALF DOLLAR SIZED HOLE IN THE SIDE OF MY SEAT. THE FIRST SIGN OF THIS WAS A SMELL AND THEN A LOT OF SMOKE. LUCKILY I WAS ABLE TO PULL OVER QUICKLY AND HAD A TOWEL HANDY TO SNUFF IT OUT, OTHERWISE I WOULD HAVE BURNED HANDS OR OTHER PARTS. I'VE BEEN A LIFELONG VOLVO OWNER, I HAVE TO SAY I'M SURPRISED VOLVO HASN'T AT LEAST WARNED THEIR DEALERS ABOUT THIS PROBLEM. I DID SEE ANOTHER DRIVERS SEAT TOTALLY BLACKENED AND BURNT OUT LAST TIME I TOOK MY CAR IN, WAS AMAZED THAT IT COULD EVEN HAPPEN LET ALONE BE A COMMON OCCURRENCE. NOW AFTER SEARCHING ONLINE THIS IS A PREVALENT PROBLEM. *TR