Why is only one reverse light on?

1 Answers
StHadley
07/30/25 5:27am
The reason why only one reverse light is on is: it is permitted by national regulations. Vehicles with a length of less than 6 meters are required to have one mandatory reverse light, with an optional second one. Since national regulations mandate the installation of one reverse light, many manufacturers, while complying with the regulations, omit the second reverse light. The working principle of the reverse light is: when the car is in reverse gear, the mechanical mechanism presses down the switch contact, closing the circuit and turning on the reverse light. When the reverse gear is disengaged, the switch contact springs back, the reverse light circuit opens, and the reverse light turns off. Precautions for reversing include: 1. Adjust the interior rearview mirror properly; 2. Pay attention to both side mirrors; 3. Control the speed; 4. Stop and wait if there are pedestrians or oncoming vehicles; 5. Use the reverse camera to judge the accurate distance.
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