If the light is on your dashboard it would be the Anti-lock Brake System
Have you checked the fuses or bulbs?
A dashboard light appearing when brake pedal is depressed usually means brake fluid is low.
Check the tail light bulbs. These bulbs do double duty. Thet are both the tail light & the brake light. Tail light part might be burnt out.
around 100-120 bucks
Check bulbs Fuse Stop light switch
you may have your brake light socket and your back up light socket in the wrong holes. Or you have a short but that would probably leave you with a blown fuse and no lights.
Two most probable possibilities immediately come to mind. To be checked out and eliminated first is that the brake light switch is not adjusted properly. The second would be that the brake light switch has become defective.j3h. check to see that brake pedal is releasing properly and not resting on brake light switch
I would suspect low fluid level. If the fluid level is ok, then have the brake system inspected.
Under normal conditions, brake lights do not go out all at once. It is more likely a stop light fuse or a brake light switch. Stop light fuse is located in the fuse compartment located in the center of the console, above the radio. The brake light switch is located at the base of the brake pedal.
The brake light in the dash would be on because the emergency brake is on. If you mean the brake lights in the back, this would be because you are pressing the brake peddle or something is broken.
Brake light switch defective or out of adjustment.