park brake light? on 2003 Honda S2000

i recently changed the pads and rotors on my buddies 2002 S2000. After i was finished the dummy light for the park brake stays on. Does the sensor have to reset? Set to a certain depth? Or did i just possibly mess up the sensor? Can i check it for ohms or voltage to see if the sensors faulty?

Asked by for the 2003 Honda S2000
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