your seat belt
Attache ta ceinture, s'il te plaît.
Please fasten your seatbelt.
Mets ta ceinture en conduisant.
Wear your seat belt while driving.
Boucle ta ceinture quand tu conduis.
Buckle up when driving.
Tu devrais mettre ta ceinture.
You should put on your seatbelt.
Fasten your seatbelt.
Have you fastened your seatbelt?