Chevrolet Epica Brakes

The Problem Is That The Brake Pedal Is Soft And Goes All The Way To The Floor, And A Warning Light Of The Braking System Is On Since A Week...

Is There A Way To Reduce Idling Speed From 1900 To 800 During Morning?. I Do Understand That High Idling Speed Is No Good For The Engine...

Both Calipers Do No Release And Burn Out The Brake Pads , (1) Can The Calipers Be Repaired ? (2) If Not Where Can I Find Replacements. I...