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.
Answer Statistics
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Other questions in the same category: Proper Use of Windshield Wipers and Headlights
To avoid glare from the headlights of an approaching vehicle:Headlights must be turned on from sunset to sunrise.Headlights must be used:You must dim your headlights within ______ of vehicle you are following.The law requires you to turn on your headlights when operating your windshield wipers.On rainy, snowy or foggy days, you should turn on your windshield wipers and:Which of the following is NOT a guideline for driving at night:When driving at night, drivers should NOT:You should dim your lights for oncoming vehicles or when you are within 300 feet of a vehicle:High beam headlights should be used at night:
This question appears in the following DMV practice tests: