Replace the leaking part
You have a serious brake problem. For your own safety have the vehicle towed to the garage of your choice for repair.
The cost will vary greatly according to the type of repair work required. A list of average prices is available at http://www.carsdirect.com/car-repair/average-brake-repair-cost-for-each-brake-problem
There is no safe way to repair a broken or leaking brake line. The line or tubing that is leaking must be replaced or a new piece of tube, spliced into the line with fittings, to replace the leaking area.
You have a problem with the brake system. Once you repair the problem the light will reset itself.
Problem?
Depends on what the person is charging in for lol
A unit repair shop is a place where they repair cars and their engines so people can use cars again usually it can also solved if you have.a brake problem they can repair your brake fuel there.
You must remove it, fit a new one and then bleed the brakes to remove the air in the new line.
I had a problem with the shift lock and the problem ended up being the brake solenoid. This is a brake switch that in forms the transmission that you have your foot on the brake. If you don't heat a click when you push on the brake, I would have that checked.
There is a problem with the ABS. This is a repair for a professional.
ABS
Brake problem. Remove the rear wheel & brake drum, and inspect the brake components. You may have a leaking wheel cylinder or other problem. Also inspect the wheel bearing.