It's raining in Oregon and you've turned on your windshield wipers. What else must you do with your lights?
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A.
Use only your high beams to see farther through the rain.
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B.
Turn on your parking lights only.
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C.
Turn on your headlights. Correct
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D.
Use only your hazard lights.
The answer is "Turn on your headlights."
Turn your headlights on whenever your wipers are on. Rain reduces ambient light and your contrast against wet pavement, so headlights help other drivers spot you sooner. Reaching for hazard lights points to D, but hazards belong to stopped vehicles, not to a car still moving through rain.
The traps in the wrong answers
A. Use only your high beams to see farther through the rain.
The rule pairs wipers with headlights, not high beams. In low visibility, high-beam light reflects back and creates glare for you and oncoming drivers. This answer substitutes high beams for headlights; the manual directs low-beam headlights in low-visibility conditions because high-beam light reflects back and causes glare.
B. Turn on your parking lights only.
Headlights are required, not parking lights, and the manual explicitly bars driving in bad weather with only parking lights on. This answer substitutes parking lights for headlights; the manual explicitly bars driving in bad weather with only parking lights on.
D. Use only your hazard lights.
Hazards are reserved for stopped vehicles; while moving in rain, you must run headlights with your wipers. This answer confuses moving-in-rain visibility with hazard-light use, which the manual reserves for breakdowns and stopped vehicles.
This question tests your knowledge of Adverse Conditions in Oregon. Source: Oregon Driver Manual, "Hazardous Conditions, Rain," p.77..
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