Smart ovens have been turning on overnight and preheating to 400 degrees
https://www.theverge.com/2019/8/14/20802774/june-smart-oven-remote-preheat-update-user-error
Thursday, September 5, 2019
https://www.theverge.com/2019/8/14/20802774/june-smart-oven-remote-preheat-update-user-error
https://www.theverge.com/2019/8/14/20802774/june-smart-oven-remote-preheat-update-user-error