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 What Series Are My Leviton Z-Wave Products? What is Leviton Decora Smart® Z-Wave? Can I install a Decora Smart® Zigbee Device Outside, in an Attic or an Unheated Garage? Including a Decora Smart® Z-Wave Device onto a Z-Wave Network Where are Decora Smart® Z-Wave Devices Available?