Seems so, the official owners manual foresees some maintenance, but there is no regular service schedule.

https://www.tesla.com/ownersmanual/model3/en_us/GUID-E95DAAD...

Edit: interestingly, the German link seems to show something else: https://www.tesla.com/ownersmanual/model3/de_us/GUID-E95DAAD...