CADILLAC SRX INSTRUMENT CLUSTER

Car Surges Instrument Lights Stay Dim Heat Settings Change By Them Selves Radio And Cd Changes Alsoby Themselves

My Radio Dies, Gas Gauge Go Down Smells Like Somthing Could Be Burning Have To Shut Car Off, Start Again To Reset Radio, Gas Gauge

I Have A 2003 Cadillac Srx Thats Gas Needle Has Stopped Working. In The Past Couple Of Weeks It Has Cut Off A Few Times, What Is Wrong?