Premye a tout, layout chèz la ta dwe rezonab. Gwosè pozisyon enstalasyon chèz la trè enpòtan, ki afekte dirèkteman konfò ak konfò itilizatè a. Aranjman syèj yo ta dwe reflete kondisyon ergonomic.
The shape of the second seat must conform to the physiological functions of the human body. If the driver's riding posture is not ideal, it is easy to get tired or even cause strain. Therefore, the driving seat positions designed by major Japanese, European and American car manufacturers have reference data for basic posture, head, shoulders, arms, abdomen, legs and other movement spaces, which cannot be arbitrary.
The third seat should have an adjustment mechanism (car seat angle adjuster, seat rail). There are differences between men and women, and the seats (especially the driver's seat) must be adjustable. There are adjustments to fit most body sizes.
Katriyèm chèz la ta dwe gen bon karakteristik Vibration. Malgre ke etaj la vibre anpil lè veyikil la an mouvman, li posib jwenn bon konfò nan chèz la gras a sous dlo yo nan chèz machin nan. Si pèfòmans prentan an pa bon, konfò nan machin nan pral pòv.
Senkyèm chèz la dwe trè an sekirite. Syèj machin, senti sekirite ak èrbag ansanm konstitye pwoteksyon sekirite pou okipan yo. Fèm nan chèz machin nan tèt li, fyab nan koneksyon an ak kò a, ak fòs la nan dosye a tout gen règleman endistri ak estanda tès yo.