TL* THE CONTACT OWNS A 2004 CHEVROLET IMPALA. THE CONTACT STATED THAT THE HIGH BEAM HEADLIGHTS FAILED TO ILLUMINATE. THE CONTACT ALSO MENTIONED THAT TWO WEEKS LATER THE HIGH BEAM HEADLIGHTS ILLUMINATED INDEPENDENTLY AND REMAINED ILLUMINATED WHEN THE VEHICLE WAS POWERED OFF. THE CONTACT STATED THAT THE BATTERY HAD TO BE DISENGAGED IN ORDER TO SHUT OFF THE HIGH BEAMS HEADLIGHTS. THE CONTACT STATED THAT THERE WAS A SMOKE EMITTED FROM THE HIGH BEAMS SWITCH. THE VEHICLE WAS TAKEN TO THE DEALER, WHO DIAGNOSED THAT THE MULTI-FUNCTION SWITCH NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 170,000. THE VIN WAS NOT AVAILABLE.