What Are the Common Car Light Signals?

1 Answers
Teri
07/29/25 5:42pm
Here are the meanings of several commonly used car light signals: 1. Flash headlights once: Nowadays, traffic lights are installed on almost all roads to direct traffic. However, some intersections have longer red light durations, so many drivers may get distracted while waiting. When the light turns green, they might not notice immediately. In such cases, flashing your headlights once can remind the driver ahead to move forward. This method avoids creating noise. If the driver still doesn't respond, you can then honk the horn. Additionally, when intending to overtake, flashing once can also signal the driver ahead. 2. Flash headlights twice: One of the most annoying things when driving at night is encountering an oncoming vehicle with high beams on. High beams make it difficult to see the road ahead, posing a significant safety risk and increasing the chance of accidents. When you notice an oncoming car with high beams, flashing your headlights twice can remind them to switch to low beams. 3. Flash headlights three times: While driving, you might notice other vehicles with potential safety issues, such as visibly low tire pressure or an unsecured door or trunk. In such cases, flashing your headlights three times can alert the other driver to the problem. This light signal could literally be lifesaving. If another driver uses this signal toward you, be sure to pull over and check your vehicle. 4. Lane change flash: Lane changes and merging are inevitable while driving. When a neighboring car signals to merge into your lane, flashing your headlights once indicates your agreement. 5. Intermittent brake light flashes: If the car behind you is following too closely, sudden braking might not give the rear driver enough time to react, leading to a rear-end collision. If you notice the car behind is tailgating, you can lightly tap the brakes intermittently to remind them to maintain a safe distance.
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