Cadillac DeVille DTS Engine Idle High

It Wont Start. Like The Battery Is Dead And When It Does The Engine Will Rev On Its Own Whats Wrong With It I Havent Seen Any Tranny Fluids...

High Idling On 2002 Cadillac Deville Dts..car Turns On Idling At 3 When Put Into Gear Goes No Lower Then Above The One.been Doin It About An...

I Have A Repair Book For My 2001 Dts But Its Not Telling Nothing About What Would Make My Car Have A Some Times High Idle I Took It To...