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? Here's what you need to know.

The little button on a car seat belt might not seem like a big deal, but it actually plays an important role in keeping things convenient and safe. Known as a stop button or retainer button ...

Seatbelts main purpose is for safety but many are none the wiser to the use of a little button found on them, until now.