Headlights are required, day or night, when visibility is less than ____ feet.
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500
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100
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300
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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
You must dim your headlights within ______ of vehicle you are following.Your headlights must be on low beam when you are within _______ of an oncoming vehicle.If a car approaches you with bright headlights, you must _________________ to prevent being temporarily blinded.When driving at night, drivers should NOT:Which of the following is true?When meeting a car with blinding headlights, you should:To avoid glare from the headlights of an approaching vehicle:On rainy, snowy or foggy days, you should turn on your windshield wipers and:If another driver does not dim his or her lights, you should:Headlights must be turned on from sunset to sunrise.
This question appears in the following DMV practice tests: