The company continues to say that it does not believe that customer and employee data has been compromised. The attack is said to have been noticed on 19 February.
The notice seen on Friday said the company's guest experience centre was back online. The attack was made public on 21 February.
The notice on the home page of the Toyota Australia website on Friday morning.
After a media statement was issued on 22 February, Toyota has not made any public statement about what now looks like a ransomware attack.
iTWire has sent in a query, asking for an update, using the general inquiry facility.