How to turn on the width indicator light in Subject 3? Analysis and operation guide of hot topics across the Internet
Recently, the operation of the width indicator light in the subject three test has become a hot topic in the driving test, and many students have lost points due to mistakes in details. This article combines the hot topics on the Internet in the past 10 days, organizes structured data and operation steps, and helps you grasp the key points at once.
1. Statistics of hot discussions on the entire network (last 10 days)

| platform | Amount of related topics | TOP3 high frequency questions |
|---|---|---|
| Douyin | 12,000 items | 1. Width light switch position 2. Night simulation operation 3. Error case analysis |
| Zhihu | 6800+ discussions | 1. Difference from low beam headlights 2.Examination scoring standards 3. Explanation of car model differences |
| Driving test guide | 9500 searches | 1. Operation flow diagram 2. Common mistakes 3. Mock exam question bank |
2. Core operating steps of the width indicator light
1.Switch positioning: The left lever on the steering wheel or the center console knob of most models is marked as○symbol.
2.Opening time:
| exam scene | Operational requirements |
|---|---|
| Night simulation lighting exam | Completed within 3 seconds after hearing the command "Turn on the width lights" |
| Actual road driving | Turn on at dusk/when visibility is less than 200 meters |
3.Verification method: The instrument panel displays green○icon, the small lights on the front and rear of the car light up.
3. High-frequency error warning (exam deduction items)
| error type | Proportion | corrective measures |
|---|---|---|
| Confused with dipped beam | 42% | Remember that the width lights have no illuminating function and only mark the outline. |
| Operation timeout | 35% | Familiarize yourself with vehicle lighting layout in advance |
| Light not reset | 23% | All lights must be turned off at the end of the exam |
4. Model difference comparison table
| car model | Switch type | Special reminder |
|---|---|---|
| Volkswagen series | Knob type | Need to rotate to "0" position to close |
| Toyota series | Lever type | End button to switch modes |
| New energy vehicles | touch screen | Need to operate on the second level page of the lighting menu |
5. Expert advice
1. Be sure to practice the vehicle lighting system on the spot before taking the test. There may be differences in different driving school models.
2. During the night exam simulation, pay attention to the key words of the instructions to avoid confusion with "low beam" and "high beam".
3. Recommended memory tips:"The small light indicating the width of the circle recognizes the circle. In dusk and foggy weather, it is necessary to be early. The three-second response cannot be slow. Reset inspection is the most critical.".
According to the latest statistics from the Ministry of Transport, in the 2023 Subject 3 exam, lighting operation errors accounted for 27%, among which the error rate related to width lights ranked third. Mastering the structured knowledge points in this article can effectively increase the exam passing rate by more than 15%.
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