When do passive safety systems try to protect human beings? All Questions › Category: Automotive Electronics › When do passive safety systems try to protect human beings? 0 Vote Up Vote Down Chetan Shidling Staff asked 9 months ago Once a crash happens Before a crash happens During the production of the vehicle 1 Answers 0 Vote Up Vote Down Chetan Shidling Staff answered 9 months ago Correct: Once a crash happens