Q: Brake light comes on momentarily after hard braking (like going down a hill) but only after coming to a complete stop

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Does not happen all the time. Car does not pull to either side when brakeing, no squeelin or grinding noises. Any ideas?

My car has 45700 miles.
My car has an automatic transmission.

If your brake fluid is a little low then when you brake hard or first stopping then the fluid my just need to be topped off. Have the fluid checked and if just a little low on fluid then top up fluid and see if it clears the problem.

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