Quality function deployment has been widely used to capture the voice of the customer and translate it into technical requirements in the development of products and services. It is a link between product or service development and technical specifications to achieve customer satisfaction. The refinement of restraints for rear seat passengers remains a developing field in automobile safety. Boosters have been shown to significantly reduce abdominal injuries caused by seatbelts. In this paper, an effort is made to use quality function deployment for increasing child safety. An opinion of customers is taken for improving the design of rear seat of a car considering child safety. A house of quality is prepared. Use of the same will be done in designing rear seat of a car.