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BrainStuff

HowStuffWorks

Science & Medicine, Natural Sciences, Society & Culture, Technology

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Science & Medicine 8
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Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.

What do the brake warning lights mean in my car?

February 22nd, 2010

Episode 544 of 1132 episodes

The brake warning lights in your car light up as part of a routine test; but when they stay on, they indicate that there's something wrong with your brake system. Learn more about brake warning lights in this episode.

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