制せい動どう灯とう

noun

brake light; stoplight

Refers to the red light on the rear of a vehicle that illuminates when the brakes are applied.

• 制せい動どう灯とうが切きれていると整せい備び不ふ良りょうで違い反はんになる。

  If your brake light is out, it's a violation for faulty equipment.