Every time you buckle your seatbelt or glance at a backup camera, you're using technology that might not exist if history had unfolded differently. Many of today's life-saving car features were inspired by one shocking accident that forced engineers, lawmakers, and automakers to rethink vehicle safety. While these stories often began with heartbreak, they ended by saving millions of lives around the world. Here are five car features that owe their existence, or widespread adoption, to one unforgettable real-life incident.
