A seat belt’s primary purpose is to prevent serious injury or death in the event that a vehicle is involved in a crash. Therefore, it seems essential for individuals to know when exactly their vehicle may need a seat belt replacement. The truth is that even the slightest bit of damage or wear and tear on a seat belt could increase the potential for the safety device to not work as it is meant to during an accident. That is why it is recommended for vehicle owners to have their seat belts professionally checked at least once a year to detect the less obvious signs of a malfunctioning seat belt.