When driving at night, if another vehicle approaches with high beam headlights, what should you do?

When driving at night and faced with an oncoming vehicle using high beam headlights, the most appropriate action is to flash your headlights once at them. This brief flash serves as a signal to the other driver that their high beams are causing glare and can encourage them to switch to low beams.

It's important to maintain your visibility while also protecting your own safety; therefore, flashing your headlights briefly is a courteous way to alert the driver without significantly distracting them or yourself in the process. This action helps keep the roadway safer for both parties.

Pulling over to the side of the road could create unsafe situations, especially if you are in traffic. Speeding up to pass could lead to dangerous situations if you misjudge the distance or speed of the oncoming vehicle. Shifting to dimming your headlights is not needed when dealing with an approaching vehicle; you typically have your headlights dimmed already when driving at night unless conditions change. Thus, the most effective response is to flash your headlights to remind the other driver to lower their beams.