WHILE TRAVELING ON THE PA TURNPIKE 3/31/16 APPRX.3:00 PM, I EXPERIENCED TOTAL TRANSMISSION FAILURE. ONLY AFTER SEEING SMOKE EMITTING FROM THE VEHICLE, WOULD THE HEAVY TRAFFIC ALLOW ME TO PULL TO THE SHOULDER. I PUT THE TRANS INTO PARK AND BACK INTO DRIVE, ALLOWING ME TO MOVE APPX 100 YARDS TO A SAFER PULL OFF. THE VEHICLE IS AT THE DEALER AND GM HAS BEEN CONTACTED CASE # 8-1908837872. NO FURTHER CONTACT BY ME TO GM, OR FROM GM TO ME.