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What should drivers do regarding their headlights when they encounter oncoming traffic?

  1. Turn off headlights

  2. Dim headlights

  3. Use high beams

  4. Flash headlights

The correct answer is: Dim headlights

When encountering oncoming traffic, drivers are required to dim their headlights to avoid blinding the other drivers. High beams are very bright and can impair the vision of oncoming drivers, making it difficult for them to see the road and potential obstacles. Dimmed headlights provide sufficient illumination for the driver while ensuring that the oncoming traffic can see properly and is not dazzled by the intense light. This is a critical aspect of safe driving practices that helps to maintain visibility for all road users and reduce the risk of accidents. The other approaches listed would not provide a safe driving environment; turning off headlights entirely would eliminate visibility for the driver, using high beams would only create a hazard for others, and flashing headlights might confuse oncoming drivers instead of alerting them appropriately.