Headlights are required, day or night, when visibility is less than ____ feet.
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100
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500
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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.
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Other questions in the same category: Proper Use of Windshield Wipers and Headlights
If you are driving with your high-beam lights on, you must dim them at least ______ from any oncoming vehicle.On rainy, snowy or foggy days, you should turn on your windshield wipers and:Your headlights must be on low beam when you are within _______ of an oncoming vehicle.By law, headlights must be turned on:Bright lights must be dimmed _____ feet before meeting an oncoming vehicle.Within how many feet is a driver required to dim the headlights before meeting another vehicle?At sunset you should:What is NOT true regarding the use of headlights?On rainy, snowy or foggy days, you should turn on your windshield wipers and:To help avoid the glare from oncoming headlights:
This question appears in the following DMV practice tests: