one of the three tail light brake bulbs may have a bad connection, or may just be blown out.
I step on brakes, dashboard light comes on which says stop.
You have stepped on the brakes
Bad ground in brake light circuit
Light is usually comes on, when there is a problem with pressure in brake lines. Inspect the brake fluid level, and check for leaks.
check your brakes
The brakes?
When the "Brakes" light on your dash comes on, or if you hear "metal to metal" scraping from them.
If the ABS and brake light are coming on while driving, this is an indicator that it is time to get your brakes checked and replaced. If not, the brakes will wear out causing you to not be able to stop.
Possible brake line leak
Check the brake light bulbs, one of them may not be installed correctly.
it indicates that it is time to change the pads for the disc brakes, the light comes on when the sensor is activated
It means it is time to have your brakes checked.