Under what condition should you use high-beam headlights?

Using high-beam headlights is most appropriate in rural areas without oncoming traffic. High beams provide a stronger and broader beam of light, which significantly improves visibility when driving on dark roads that lack adequate street lighting. In these environments, they can help drivers identify potential hazards such as pedestrians, animals, or obstacles on the road well in advance.

While high beams are beneficial for illuminating dark roads, it's important to switch to low beams when there is oncoming traffic, as the intensity of high beams can blind other drivers. Similarly, in well-lit urban areas or on crowded streets, the existing street lighting typically provides enough visibility, making high beams unnecessary and potentially disruptive to other road users. Thus, the use of high beams is best reserved for situations where you are far enough away from other vehicles to avoid creating a hazard, as found in rural settings.