What is the little button on the seat belt for? A little-known use.

Seat belt plays an important role in our automotive life.

But what is that little round button on the belt?

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A detail? Not so sure!

This is what Alain, a mechanic for 35 years and involved in road safety, will explain to us.

And you will see that this simple little button is essential in our everyday lives.

The seat belt button is used for this See:

1. a button the same color as the seat belt
A small button on the belt of a car seat belt
We wear the seat belt every day: it has become mechanical.