What color are the rear retro-reflectors?
Lighting
Rear reflectors must be red according to the regulations on vehicle lighting systems, which is essential for road safety.
Explanation
Rear **reflectors** are devices that reflect the light from other vehicles to make the vehicle visible. According to regulations, rear reflectors must be **red**. This is important so that other drivers can easily identify the rear of the vehicle, especially in low visibility conditions.
In summary, rear reflectors are always red to ensure road safety.
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