Safety devices used in motor vehicles to minimize the risk of injury or death during accidents. Car restraints include lap and shoulder safety belts, child safety seats, and air bags. The use of lap and shoulder seat belts provides the greatest possible protection against being thrown out of a vehicle during an accident. The use of lap and shoulder seat belts reduces the risk of fatal injury to front-seat occupants of cars by 45 percent and the risk of moderate to critical injury by 50 percent.