New York Driver License (DMV) Written Practice Test

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Ace your New York DMV written test! Prepare for the exam by practicing hundreds of multiple-choice questions covering traffic laws and road signs. Boost your knowledge, gain confidence, and increase your chances of passing the test on your first try.

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

When should you turn on your headlights while driving?

During the day only
During the night only
When visibility is reduced
When you turn off the main highway

The correct answer is: When visibility is reduced

Headlights should be turned on not only during the night, but also during the day when visibility is reduced. This includes any time there is fog, rain, or snow, as well as when it is overcast, dusk, or dawn. Option A is incorrect because headlights should be used during the day if visibility is reduced, not just during the night. Option B is also incorrect because headlights should be used during the night regardless of visibility. Option D may be tempting because it mentions turning off the main highway, but this is not a valid reason to turn on your headlights. Overall, option C is the best answer because it covers all situations where headlights should be used for safety reasons.