It is not enable. The original driver from which this one is derived did not work with Hubitat. Since I did not need that feature, I did not spend any effort on it. To me having the thermostat set temperature instead was more usefull.
All right, thanks for letting me know. Before switching to Hubitat I had a Vera Hub (now Ezlo), the driver they had worked for the external temp. We liked thar information to decide how to dress the kids depending on the external temp in the morning. I guess that was our good reason 
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Would like to help but I think this is a bit too complex for me!
Modified driver to be compatible with the new Hubitat dashboard:
https://raw.githubusercontent.com/ymerj/Hubitat-miscellaneous/main/Stelpro%20KI%20Zwave.groovy
Don't forget to hit "configure" after changing the driver
