Driving along, abs light randomly turns on. Few minutes later interior light turns on and it tells me all my doors are open. Give it 5 minutes with the car off and it goes back to normal for a while. Also refuses to let me lock car for 5 minutes. (After interior light turns off)

Check all fuses? Does it start ok? As in battery charge? My au alternator went and it went completely mad with the electronics dash lights went tqueer