Slider images: 1  Attribution: RoyalTen73; License: public domain. 2  Attribution: Unknown; License: public domain. 3  Attribution: The Missionary Repository for Youth, and Sunday School Missionary Magazine; License: public domain. 4  Attribution: not given; License: public domain.
if you are driving with your high beam lights on you must dim them at least 500 ft from any oncoming vehicle so you don t blind the oncoming driver you must use low beam lights if you are within 200 300 ft of the vehicle you are following consult your state s drivers handbook for details if an approaching car is using its high beams don t look directly into the oncoming headlights look toward the right edge of your lane
Headlights are required to be used 1/2 hour after sunset to 1/2 hour before sunrise, when windshield wipers are being used, when visibility is less than 1000 feet, or when there is insufficient light or adverse weather.