1. Line of sight at least 8cm above top of steering wheel.
2. Minimum 25cm clearance from chest to steering wheel.
3. Hands at nine and three.
4. Foot pedals pressed by ball of foot.
5. Thigh horizontal when pedals depressed.
6. Head restraint height meets a line through the ear.
7. Shoulders and back fully supported by seat.
8. Weight of arm evenly distributed between wrist and shoulder.