> “As Tesla is aware, the Safety Act imposes an obligation on manufacturers of motor vehicles and motor vehicle equipment to initiate a recall by notifying NHTSA when they determine vehicles or equipment they produced contain defects related to motor vehicle safety or do not comply with an applicable motor vehicle safety standard,” the agency wrote.

Yeah, they fixed it, made an OTA update and said "Everything is fine". But the law says they need(ed) to issue a formal recall...