Key Safety Systems won't start your car, but it can protect your occupants. The company is a leading maker and seller of air bags and air bag components, including sensors and inflators. It also makes seat belts, steering wheels, and air bag webbing fabric. The company supplies air bags to most of the world's carmakers, including Ford, GM, Hyundai, and Volkswagen. Key Safety Systems (KSS) also makes a line of automotive interior accessories, including automatic and manual shift knobs, parking brake handles, shift and brake boots, armrest covers, and pull handles. Non-automotive applications include military and commercial vehicles. The company is controlled by private investment firm Crestview Partners.