I WAS DRIVING WEST ON PETERS RD IN MIDDLEFIELD WHEN I HIT A PATCH OF BLACK ICE PUTTING THE TRUCK INTO A SKID WHICH PUT ME IN THE DITCH I HIT A MAILBOX AND A CULVERT (DRAIN PIPE) HEAD ON TEARING UP THE WHOLE FRONT END OF THE AVALANCHE IT HIT RIGHT ON THE SENSORS BUT THE AIR BAGS NEVER DEPLOYED. *TR