so I have a 2012 f250 4x4 90k miles and I noticed my breaks feeling mushy almost like there was air in the lines. Then service Advance Trac, abs, and traction control lights started flashing on and off. Mainly when I would get on the breaks but never stayed on for more then a second. Then to top it off my speed gauges was jumping around never would stay at one speed please help

 

If no brake work has been done for quite a while , it is time to have the system checked out by someone that is familiar with the Anti-lock brake system (ABS). It is trying to let you know there is a problem in/with the system.