Brake light on inside the car on 2007 Mazda Mazda6

Just had front brakes replaced and now the brake light inside the car is on all the time.

Asked by for the 2007 Mazda Mazda6
A red brake light comes on because one of the following is occurring:

--fluid level is too low
--pedal travel is too low
--parking brake is on

That's about it. Check that fluid first and make sure the system has been bled properly.