How to turn on the vehicle width lights: operation guide combined with hot topics
Recently, with the increase in self-driving tours and night driving, the correct use of vehicle width lights has become a hot topic. Many novice drivers have doubts about how to turn on the vehicle width lights. This article will combine the hot content on the Internet in the past 10 days to give you a detailed explanation of how to operate the vehicle width lights, and attach relevant data.
1. The function of vehicle width lights

Vehicle width lights (also called width indicators) are mainly used to display the outline of the vehicle when the light is insufficient to improve driving safety at night or in bad weather. The following are the differences between vehicle width lights and other car lights:
| Car light type | Main functions | Usage scenarios |
|---|---|---|
| vehicle width light | Show vehicle outline | Night, fog, dusk |
| Low beam | Lighting the road ahead | Normal driving at night |
| High beam | long distance lighting | Highway section without oncoming traffic |
2. How to turn on the vehicle width lights
The position of the width light switch of different models may be slightly different, but the operating logic is basically the same:
| steps | Operating Instructions |
|---|---|
| 1 | Get into the driver's seat and find the light control lever/knob on the left side of the steering wheel or on the center console |
| 2 | Turn the knob to the "width light" symbol (usually a light bulb icon) |
| 3 | Confirm that the vehicle width light indicator light on the instrument panel is on (green or blue icon) |
3. Recent hot topics and discussions related to vehicle width lights
According to the data analysis of the entire network, the hot topics about the use of car lights in the past 10 days include:
| Ranking | topic | Discussion popularity |
|---|---|---|
| 1 | Safety precautions for driving at night | 12 million+ |
| 2 | Car light usage regulations and traffic regulations | 9.8 million+ |
| 3 | Differences in lighting systems of new energy vehicles | 7.5 million+ |
4. Frequently Asked Questions
Based on recent popular questions from netizens, we have compiled the following frequently asked questions:
| question | Answer |
|---|---|
| What is the difference between vehicle width lights and daytime running lights? | Daytime running lights are used during the day and have higher brightness; vehicle width lights are used at night and have lower brightness. |
| Will forgetting to turn off the headlights cause the battery to run out of power? | Leaving it on for long periods of time (more than 8 hours) may drain the battery |
| Do I need to turn on the width lights on rainy days? | It is recommended to turn it on when the visibility is less than 200 meters. |
5. Expert advice
According to the latest opinions from car safety experts:
1. You should turn on the vehicle width lights in advance at dusk, do not wait until it is completely dark
2. Regularly check whether the vehicle width lights are working properly. It is recommended to check once a month.
3. Vehicle width lights should also be turned on in dark environments such as parking lots to improve vehicle visibility.
6. Summary
Proper use of vehicle width lights is a basic skill that every driver should master. Through the structured guide of this article, I believe you have learned how to turn on the vehicle width lights and related precautions. Remember, safe driving starts with the correct use of lights.
If you have any other questions about the use of car lights, you can follow the recent hot topics #night driving safety# and #车灯用guidance# to get more practical information.
check the details
check the details