Q: Replaced brake pads/rotors on 2013 ford fusion. Error messages when tried to take out of service mode.Now won't start/dark display

I just replaced the brake pads+rotors on my 2013 Ford Fusion. I put the vehicle in maintenance mode which retracted the electric parking brake. I pushed the pistons in straight while bleeding all 4 systems through the bleed valve using correct tools. I pumped the brakes + topped off resivoir. When I went to take it out of maintenance mode I got error messages saying it did not set and to service the brake system. After that I noticed the dash display and radio reset. I tried it again and the e-brake light just flashed at me. I saw the center console reset and perform a sync system update. I tried to start the car and just saw the lights flicker and dim. I heard relays switching (hood was up) and the electric calipers start to move. After that the dash stayed black. Is this a coincidental dead battery? Fuses blown when the e calipers tried to reset? Relay? Did I missalign e calipers? Is that even possible? Can a little brake fluid cause a short on the e caliper connectors?

My car has 98000 miles.
My car has an automatic transmission.