VEHICLE INVOLVED IN A FRONTAL COLLISION WITH A FORD, F450 PICK UP, IN WHICH BOTH AIR BAGS DID NOT DEPLOY. DEALER/MANUFACTURER WERE NOTIFIED, AND REFUSED TO ANSWER CONSUMER'S QUESTION ON " HOW MUCH IMPACT/SPEED NEEDED TO ACTIVATE AIR BAG?" FEEL FREE TO PROVIDE ANY FURTHER DETAILS ON THIS MATTER. *AK