Saturn Aura Engine Not Cranking Over

This Problem Started 3 Months Ago; I Left My Keys In My Car In The Ignition And I Never Turn The Key From The On Position So After A 9-5. I...

My Car Was Having Problems To Where It Would Start To Stall While Driving And The Service Traction And Engine Power Reduced Light Came On....

I Installed A New Battery 5 Days Ago And The Car Cranked. I Haven't Cranked The Car In 5 Days And Now The Electronics Don't Work At...