More than likely you have a warped rotor. Have your brake pads replaced and the rotors turned or replaced.
Also, some cars will automatically pump the brakes in an emergency, or panic braking.
This can be felt as if you rapidly pumped the brakes several times in quick succession.
When you push the brake pedal.
Start the engine and then push the brake pedal down. If it is soft and easy to push then the booster is okay. If booster is BAD the brake pedal would be hard to push.
Push the brake pedal? What, exactly, are you asking??
Hardness in the brake pedal can because by low brake fluid. Air in the brake lines can also cause the pedal to push hard.
Push the brake pedal to released.
There is an electronic relay switch which turns on the rear brake lights-It's located behind the brake pedal- It clicks when you push the pedal down, making contact.
Just above the brake pedal on the pedal shaft.
look on top of the brake pedal under the dash and you will see the switch, with one hand push the brake pedal down and with the other hand push the brake switch in as far as it will go in it's holder and then pull the brake pedal back with your hand to set it.
The clutch pedal.
Check the brake switch up under the dash on the brake pedal. Lie on the drivers floor, look up and then push the brake pedal with yoru hand and see if there is any kind of electrical connector that actuates the brake lights when you push the pedal in.
Near the top of the brake pedal pendulum is a push-switch when the brake pedal is moved this switch will trun the brake lights on and off.
When you are getting kinda low on oil and it is almost to where you need an oil change when you brake it sloshes the oil and makes the light go off.