You will need to have a sensor on the door to know for certain if it is open or closed. Once you have the sensor, you will need an app to tie the sensor and zen16 together into a virtual garage door device. Here is the app created specifically for the ZEN16: [RELEASE] Zooz Garage Door Opener
Once you have the virtual garage door device, then you can add it to the dashboard as shown above and the status will always be correct based on the sensor you install.