ROOF MOUNTED PASSENGER AIRBAG WITH LOWER LEG PROTECTION

An apparatus and method for helping to protect occupants of an autonomous vehicle in the event of a collision. An airbag has a stored, pre-deployment condition in a vehicle roof. The airbag is deployable downward toward the vehicle floor in front of a vehicle occupant. The airbag includes an upper portion for receiving the occupants head and torso. A lower portion extends downward and forward from the upper portion. The lower portion is for receiving the occupants lower legs.