Two part seat belt system. Pretensioning uses small pyrotechnics to remove slack from the belt system to maximize the ability to manage the occupants energy (and in some cases results in positioning the occupant further back in the seat, which helps even more). This type of seat belt is commonly found in older vehicles and some commercial vehicles. The parts of a seat belt include the buckle, latch plate, webbing, pillar loop, and retractor. If oil, grease or water gets on the pretensioner A ________ is an explosive device that is part of the seat belt retractor assembly and tightens the seat belt as the airbag is being deployed. This Standard required passive restraint systems in passenger cars and resulted in the emergence of the automatic two point belt and knee bolster restraint system. Inc. The Supplemental Inflatable Restraint, or SIR, system supplements primary seat belt protection and is designed to offset the inertia of an impact to help protect occupants during a collision event. The standard car seat is designed to support thighs, the buttocks, lower and upper back, and head support. The webbing is the part of the system that is wrapped around the body of the driver or passenger. BAS Inc. k5xq d3ojlx2 l6akpnp vynk qfnhs x6s mobe 0l7hrw ukmrore ld