Do Decora Smart® Z-Wave Devices Automatically Exit Programming? September 27, 2021 20:10 Updated Follow Yes. Decora Smart Z-Wave devices are programmed to automatically time-out of any settings after 20 seconds. Related articles How do I add my Z-Wave Switch or Dimmer to my Samsung SmartThings System? Updating Decora Smart Z-Wave Using Home Assistant What Series Are My Leviton Z-Wave Products?