Car seat drivers and passengers provide convenient, comfortable and safe driving and seating positions. It should meet the following conditions:
1. The arrangement of seats in the entire carriage should be reasonable, especially the driver's seat must be in the best position;
2. The appearance design of the seat must conform to the physiological functions of the human body, and strive for aesthetics while ensuring comfort;
3. The seat must be safe and reliable, with sufficient strength, stiffness, and durability, compact structure, and minimize mass as much as possible;
4. Various adjustment mechanisms designed to meet the comfort of drivers and passengers must have reliable locking devices to ensure safety. According to the location, it can be roughly divided into:
Front seats: headrest, backrest, cushion, (armrest),
Rear seats: (headrests), backrest, seat cushion, side wings, (armrests).