Which of these is a proper use of vehicle lights and flashers?
a. Flashing your brake lights to warn someone behind you of a hazard that will require slowing down.
b. Turning on your headlights during the day when visibility is reduced due to rain or snow.
c. Flashing your brake lights to warn someone behind you that you're are going to stop on the road.
d. All of the above.
Answer : All of the above.
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