Translation guide
The red light(s) on the rear of a vehicle that illuminate when the brakes are applied.
The red light on the back of a car, motorcycle, or other vehicle that turns on when the driver presses the brake pedal.
The most common and neutral term for a brake light. Used in everyday conversation and technical contexts.
ブレーキランプが切れているよ。
Your brake light is out.
前の車のブレーキランプが点灯した。
The brake lights of the car ahead came on.
Formal/technical term used in vehicle regulations, manuals, and inspections. Not common in daily speech.
車検では制動灯の点検も行われます。
Brake lights are also inspected during the vehicle inspection.
Common alternative, especially in spoken Japanese and automotive contexts. Slightly more casual than ブレーキランプ.
ストップランプが片方切れてる。
One of the stop lamps is out.
Less common variant, sometimes seen in writing. 灯 means 'light/lamp'.
ブレーキ灯の交換方法を調べる。
Look up how to replace the brake light.