When accidents occur, several systems incorporated in the seat belt assembly go into operation simultaneously. In less time than it takes for a human being to blink an eye, the seat belt system goes into action to control the energy load the occupant endures on impact. In the latest designed motorized seat belts, there are also functions to warn the driver, as the seat belt motor gives a tug on the belt when there is an immediate dangerous situation.

Every Second Counts

Here is a timeline on how seatbelts work. “T” stands for the time of collision:

  • T+0.003 Seconds — Sensors detect the impact

Collision sensors that are attached to the vehicle detect the collision, a