When should headlights be used?

Answer: B — During poor weather conditions and at nighttime

Headlights should be used during poor weather conditions and at nighttime because they enhance visibility for both the driver and other road users. In low-light conditions, such as at dusk, dawn, or during nighttime, headlights help illuminate the roadway and any potential hazards, making it safer to navigate. Additionally, in circumstances of reduced visibility like rain, fog, or snow, using headlights is essential to ensure that your vehicle can be seen by others, as well as to help you see the road more clearly. Proper use of headlights is a critical safety measure that follows legal requirements in many areas, including Nevada, to enhance safety for everyone on the road.