Hi, I have an '09 Titan and when I press on the brake pedal, the pedal goes all the way to the floor, the slip light comes on and it takes FOREVER to stop. The light stays on until I shut the ignition off. If I come to a stop sign and press, release, press the pedal again, it will stop as normally should. I am not losing any brake fluid anywhere. Any suggestions would be greatly appreciated! Thanks in advance!