Automatic
noun, の adjective
Something that can move by its self is something that's automatic.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
え、これ全自動なんですか？
Huh, is this fully automatic?
スマホでのデータは、全て自動でクラウドにアップロードするようにセッティングしています。
I've set up all the data on my smartphone to automatically upload to the cloud.
自動ドアだって知らなかったんだよ。
I didn't even realize it was an automatic door.