Headlights are required, day or night, when visibility is less than ____ feet.
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100
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300
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500
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Explanation
In Iowa, the law requires drivers to use their headlights from sunset to sunrise or whenever visibility is 500 feet or less. Do not use parking lights or daytime lights as a replacement. Headlights do a better job. Remember to keep your headlights clean and in good condition.
Answer Statistics
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Other questions in the same category: Proper Use of Windshield Wipers and Headlights
If the driver of an oncoming vehicle fails to dim the lights, you should look:What should you do if your vision through the windshield becomes blocked?You should dim your lights for oncoming vehicles or when you are within 300 feet of a vehicle:When it starts raining enough to turn on your windshield wipers, you should:Your headlights must be on low beam within ______ of a vehicle ahead of you.Headlights must be turned on from sunset to sunrise. If you are using your high beams, you must dim your lights when an oncoming vehicle is within:Headlights must be turned on:When approaching an oncoming vehicle, drivers are required to dim their high beams within ______ of the oncoming vehicle.
Dim your headlights for oncoming vehicles or when you are within 300 feet of a vehicle:If a vehicle using high beams is coming toward you:
This question appears in the following DMV practice tests: