It's no secret that seatbelts are vital in keeping us safe in case of an accident, but what does the little button on them do ...

This tiny plastic piece, strategically placed along the seat belt strap just above the latch plate, ensures convenience and safety. Without it, securing your seat belt could become a frustrating task.

Known as a stop button or retainer button, it’s that tiny plastic piece on the seat belt strap that stops the metal latch plate—the part you click into the buckle—from sliding too far down ...