This is the second paper in a series to present a coherent theory of sensing frontal crashes, define the characteristics of future airbag sensor systems and to present examples of how this theory can be implemented. After summarizing the relevant conclusions from the authors' previous papers, this paper demonstrates that future systems should contain:​ crush zone sensors which, either used alone or in conjunction with electronic passenger compartment mounted sensors, sense relevant impacts to all portions of the vehicle front and a Vehicle Interior identification and Monitoring System (VIMS) to identify and determine the location of occupants and objects Within the vehicle. It is further concluded that cars should be designed so that only impacts involving the front of the vehicle need be sensed for the deployment of frontal protection airbags.