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Popular science on car taillights: five kinds of "eyes" at the rear of the car

By, CoolMotor
  • 2023-10-13
  • 77 View

When we drive on the road, we often see various colored lights flashing on the rear of cars. These lights are not only for appearance, but more importantly, they undertake the important task of transmitting information to other vehicles and pedestrians. Today, we will introduce you to the five types of car tail lights to help you better understand their functions and functions.

Brake Lights: red warning signal

Brake lights are the most common light on the rear of vehicles. When the driver depresses the brake pedal, the brake lights illuminate bright red. This design is to alert vehicles and pedestrians behind, indicating that the vehicle is slowing down or stopping to avoid rear-end collisions. Therefore, when you see the brake lights of the vehicle in front of you come on while driving, be sure to slow down in time and keep a safe distance!

Turn Signal Lights: "Indicator lights" that indicate turning intentions

The width indicator light, also known as the turn signal or direction indicator light, is an important signal used to indicate the driver's turning intention. They are usually located on the left and right sides of the rear of the vehicle and flash when the driver turns on the turn signal. When you are preparing to turn or change lanes, please turn on the corresponding width lights in advance. They will convey your driving intentions to vehicles and pedestrians behind you and help other people involved in traffic make correct judgments and reactions.

Reverse Lights: the "bright lights" for rear lighting

Reverse lights are lights that provide rear illumination when reversing. They are usually located centrally at the rear of the vehicle and emit a bright white light. When you are ready to reverse, turning on the reversing lights can help you clearly see the environment behind you and ensure the safety of the reversing operation. Therefore, before reversing, remember to turn on the reversing lights and look behind you in case other vehicles or pedestrians appear.

Rear Fog Lights: The "Guardian" of visibility in foggy weather

Rear fog lights are used to provide rear warning in foggy or adverse weather conditions that reduce visibility. They are usually red lights located at the rear of the vehicle, next to the brake lights. When you are driving in fog or heavy rain, turning on the rear fog lights can make it easier for vehicles and pedestrians behind you to notice your vehicle and improve driving safety. However, it should be noted that the rear fog lights should only be used when the visibility is less than 50 meters, and should be turned off in time when the visibility improves to avoid interference with the vehicles behind.

Tail Lights: The "lighting pipe" at the rear of the car

Taillight refers to the general term for all lighting devices at the rear of a vehicle. They include brake lights, width lights, reversing lights and rear fog lights, etc., which together form the lighting system at the rear of the vehicle. Taillights play a very important role when driving at night or when visibility is low, providing lighting and warning for vehicles and pedestrians behind you. The design and layout of taillights may vary between different models and brands, but their goal is to improve driving safety.


Car taillights play an important role. Through different light types and functions, they can convey the vehicle's driving intention, slow down and stop signals to other vehicles and pedestrians, provide rear lighting and provide warnings in bad weather. Understanding and correctly using these tail lights is basic common sense that every driver should have. They help us stay safe on the road and establish good communication and a shared road environment with other traffic participants. Therefore, whether you are a novice driver or an experienced driver, you should be familiar with and abide by the relevant traffic rules, use tail lights correctly, and contribute to road safety.


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