What is the purpose of the brake light?
Lighting
Explanation
The **brake light** serves the function of **indicating that the vehicle is braking**. This light automatically turns on when the driver uses the **service brake**, which helps alert drivers behind that the vehicle is slowing down or stopping. It is a **bright red light** located at the rear of the vehicle. It is mandatory for all cars, mopeds, trailers, and semi-trailers.
Additionally, some vehicles may have a **third brake light**, which is placed above the standard brake lights and illuminates at the same time. This additional light is optional for cars and not allowed on motorcycles.
Therefore, the main purpose of the brake light is to **warn other drivers that the service brake is being used**, thus ensuring safer driving.
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