radio problems

so without searching threw a million threads if someone can point me in the right directions of what to type in or help me out. My sound system is all stock, 6 cd changer infinity... there's power to the radio because i can eject cd's but nothing more than that. it wont let me turn it on/off or...

About 5 days ago, I noticed that my Clock stopped working altogether along with my automatic mirrors and my cigarette lighters. Then, about 2 days later the power to my stereo stopped along with the lights to my rear view mirror and the automatic doors and car alarm. I have had this car for a...