Thanks guys. That was my only guess WaA420, due to the symbol and the fact that I already know what all the other warning lights are (eliminating fluid reservoir and parking break). I always thought it would be the same indicator as the fluid reservoir (the one right next to it [Brake(!)]).
Guess it is time to do my front brakes finally... Too bad my retaining pins are mushroomed at the ends and will be impossible to get out
I am thinking of just cutting it in the middle and pulling the two halves out, anyone else have any suggestions?