My 2005 Saturn ion went through the relearn process. After that, the car started on 2005 Saturn Ion

I had the car on for a minute or so to be sure. I turned the car off, and I went to go drive it a couple hours later, but it would not start. It turned on for 3 seconds, then shut off. The battery light and check engine light were on, and pwr str, and coolant were showing on the dash screen. Why won't my car start now?

Asked by for the 2005 Saturn Ion