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
1 You must turn on your headlights when it becomes dark outside. Some states require headlights to be turned on 30 minutes after sunset until 30 minutes before sunrise.  Headlights must be turned on when visibility is low.