WHILE DRIVING FOR ABOUT 3 MINUTES ON STREET THE TAHOE STARTED TO SMELL LIKE SMOKE, WE THEN NOTICED SMOKE COMING OUT OF THE AIR CONDITIONING VENTS IN A MATTER OF SECONDS THERE WHERE FLAMES COMING OUT FROM UNDERNEATH THE GLOVE COMPARTMENT. THE CAR CAUGHT ON FIRE AND THE AIR BAG DEPLOYED. THE DASH BOARD WAS COMPLETELY MELTED FROM THE FIRE, THE FRONT WINDSHILLED SHATTERED WITH FORCE TOWARDS THE BACK OF THE TRUCK.