It has to be checked for any sign of wear and tears as well as any distortion observed on the seat belts, buckles and all the areas that are made up of latch plates or guide loops where applicable. Make sure that the seat-belt reminder light comes on when the key is in the On or Start position and there is an audible sound of a chime. The seat belts are intended to restrain during jerk motions or crashes, but be loose during normal operations; ensure that the retractors push the belt across your chest when driving and the belt should rewind completely when the buckle is released. If any of the checks point to a problem with the seat belt system, it should be repaired or replaced.