The buzzer-light reminder system and safety belt use.
D001290:Attitude; D001336:Automobiles; D003710:Demography; D005260:Female; D006801:Humans; D008029:Lighting; D008297:Male; D009622:Noise; D011482:Protective Devices / Q000592:standards; D012622:Seat Belts; D014481:United States