Brake Problem

[junkyardpartseeker]

Today, first, my brake light came on. Now, when I stop, my pedal feels spongy and sounds like squeezing air when I press the pedal if you know the sound I am describing.

Thinking my brakes might be out of adjustment, I accelerated in reverse and hit the brakes. Both front brakes locked up, but the rears did not. I did this many times. Still the same.

Other than this, I have done nothing else or checked anything else.

Any suggestions on what to check would help. I am off tomorrow and am planning to look at it then.

Thanks
Tommy