When driving in an place with few streetlights, if you cannot see well with your headlights, which of the below actions may help?

A Use your high beams when legal and keep your interior lights off.

explanation

Use High Beams When You Can. Some drivers make the mistake of always using low beams. This seriously cuts down on their ability to see ahead. Use high beams when it is safe and legal to do so. [California Commercial Driver Handbook]