APPROXIMATELY 2 MINUTES AFTER TURNING ON DRIVER'S SIDE SEAT HEATER, NOTICED BURNING SMELL, FOLLOWED SHORTLY THEREAFTER BY HEAT SENSATION ON MY LEFT THIGH. IMMEDIATELY TURNED HEATER OFF, PULLED CAR OFF ROAD, AND GOT OUT. FOUND DIME SIZED BURN PATTERN IN LEATHER SEAT. SEARCHED NHTSA WEBSITE THE NEXT DAY AND FOUND THAT THIS IS A COMMON PROBLEM ON 2002 JETTAS. CALLED DEALER TO SCHEDULE A REPAIR APPOINTMENT.*AK