{HEAD ~ The component} or system is arranged to initiate {TAIL ~ an action} or change its operation if a collision is predicted 
{ HEAD ~ The component } or system is arranged to initiate { TAIL ~ an action } or change its operation if a collision is predicted
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH