300 feet
If you can see the area lit by their headlights, then you are probably close enough to dim your own.
You should dim your headlights within 500 feet of the car in front of you. The rule of thumb is, if you can see another car, dim your lights.
never
When following another vehicle, you should switch your headlights to low beam when you are within 300 feet of the vehicle ahead. This helps prevent blinding the driver in front of you and ensures safer driving conditions for everyone on the road. Always be mindful of your surroundings and adjust your lights accordingly.
When following another vehicle, dim headlights should be used when you are within 200 to 300 feet of the vehicle ahead. This helps to prevent blinding the driver in front of you and ensures safer driving conditions. Using dim lights also allows for better visibility of the road without reflecting off the vehicle in front. Always adjust your distance and lighting based on road conditions and visibility.
Keep your headlights on low beam.
You should dim your headlights when you are following another vehicle within a distance of 200 to 300 feet. This prevents blinding the driver in front of you with your high beams. Additionally, it's advisable to switch to low beams when you are within this distance, especially at night or in low visibility conditions. Always prioritize safety and visibility for all drivers on the road.
500 feet if the vehicle is coming to you, 300 feet if you are following it.
Common courtesy would be at least 500 feet.
When meeting another vehicle at night, you should dim your headlights at least 500 feet away. This helps prevent blinding the other driver and ensures safe visibility for both vehicles. Remember to switch back to high beams once the vehicle has passed and you are at a safe distance.
at least 2m
In most states it is 500 Feet. Common sense should prevail.