Tennessee headlight laws — Tennessee Permit Test

Your headlights must be on from 30 minutes after sunset until 30 minutes before sunrise.

Dusk and dawn are dim enough that a dark car blends into the road. Lights on in that half hour let others see you coming.

Required Night Use: Your car headlights must be turned on 30 minutes after sunset until 30 minutes before sunrise.

Your headlights must be on whenever daylight is not good enough to see people or vehicles clearly 200 feet ahead.

On a dark, cloudy afternoon a gray car can vanish against the road. If you cannot see far, others cannot see you either.

you to see persons or vehicles clearly at a distance of 200 feet ahead;

Tennessee law requires your headlights to be on whenever rain, mist or snow means your windshield wipers are in constant use.

Rain makes a car hard to pick out, even at noon. Headlights let the oncoming driver see you through the spray.

When rain, mist, snow, or other precipitation requires constant use of windshield wipers.

When your high beams are on, you must dim them when an oncoming vehicle is within 500 feet.

High beams shine straight into the eyes of the driver coming at you. A blinded driver can drift right into your lane.

When your vehicle’s high beam headlights are on, you must dim or lower the beam when an oncoming vehicle is within 500 feet (approximately the distance of one city block) or when you are following another vehicle within 500 feet.

You must also dim your high beams when you are following another vehicle within 500 feet.

Your high beams bounce off the mirrors of the car ahead. The glare can blind that driver, and a motorcyclist most of all.

Dimming headlights when following other vehicles is an important safety step.

Your headlights must be on from how long after sunset until the same time before sunrise?

30 minutes. Dusk and dawn are dim enough that a dark car blends into the road. Lights on in that half hour let others see you coming. Tennessee Comprehensive Driver License Manual, p.45: “Required Night Use: Your car headlights must be turned on 30 minutes after sunset until 30 minutes before sunrise.”