Ford Fusion Battery Replace/Remove

For Some Reason One Morning Came Out To Start My Car And The Battery Was Completely Drained. No Lights Were Left On Or Anything That Could...

I Have A Ford Motor Craft Battery. I Loosened The Screw On The Black Negative Terminal, But It Won't Come Off...won't Budge. I Don&#...

Roughly 8 Months Ago, My Car Radio Started Acting Up And Randomly Started Flipping From Station To Station And Than The Display Itself...