Yes, you can. But make sure you get the right type of brake fluid. Go to Pep Boys (if any in your city) and shop for the right type of break fluid.
In case, it is not the break fluid, I will suggest you to change the pad and flush the break fluid. However, do it with outside mechanic (not dealer) because dealer will charge more money. Try to go to those big franchise mechanic such as pep boys or the one specialise in the breaking system, tyre and muffler (forgot the name).
Btw, what model is your car?
Originally posted by spencer99:
thanks for the advice... can a driver just top up the brake fluid or must it be done by a mechanic?
Will go take a look.