TL* THE CONTACT OWNS A 2003 SAAB 9-3. WHILE DRIVING APPROXIMATELY 30 MPH, SMOKE EMITTED UNDERNEATH THE HOOD. THE VEHICLE WAS MANEUVERED TO THE SIDE OF THE ROAD. THE CONTACT MENTIONED THAT SMOKE EMITTED FROM THE BATTERY COMPARTMENT. THERE WERE NO FLAMES VISIBLE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO STATED THAT THE FAILURE WAS CONTRIBUTED TO THE ELECTRICAL SYSTEM. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 158,000. THE VIN WAS UNAVAILABLE.