the belt. Without it, the buckle could move freely toward the lower anchor when the belt retracts, making it harder to reach the next time you get into the vehicle.
The way it works is extremely simple. When you release the seat belt, the retractor pulls the webbing back into its housing. As the buckle moves along the belt, it eventually reaches the small plastic button, which acts as a physical barrier and stops further movement.
The stop button is mainly a convenience feature rather than a component responsible for