This document discusses various automobile safety systems. It begins by introducing automobile safety and some early studies on improving vehicle safety through seat belts and padded dashboards. It then describes several key active and passive safety systems used in modern vehicles, including airbags, seat belts, anti-lock braking systems, collision warning systems, blind spot detectors, electronic stability control, and cruise control. For each system, it provides a brief explanation of its purpose and functioning to enhance road safety and prevent injuries during accidents.