CAR PARKED IN DRIVEWAY. UPON TURNING KEY TO START, SMOKE STARTED BILLOWING FROM UNDER DASH. SHUT OFF KEY, DISCONNECTED BATTERY AND AIRED VEHICLE. FOUND MELTED/ BARE WIRING. CONTACTED CHEVERLOT CUSTORMER SERVICE (#990501Z66, CONTACT KIM HILL). INDIVIDUAL REPORTED NOTHING GM COULD DO TO DEFRAY COSTS OF REPAIR. DEALER ESTIMATE AT $2,240. *AK