Brake Warning Indicator Does Not Self-Check (1999 Models)
WARNING: This page is about a different car, the 1999 Mercury Mystique, 1999 Mercury Cougar, 1999 Ford Contour, 1998 Mercury Mystique, and 1998 Ford Contour. However, it is still accessible from the selected car via links, so may be relevant.
Possible source of problem may be: low brake fluid warning switch, faulty instrument cluster, faulty ignition switch, faulty parking brake or faulty wiring. See appropriate INSTRUMENT PANELS article in ACCESSORIES & EQUIPMENT.