whenWhen you remove the Nyon from your bike, don't turn it off, as removing it from the bike is its signal to transfer data by bluetooth to your phone. It then turns itself off automatically after 5 mins.
To the ebike disbelievers, you will be amazed how much work you can put into cycling an ebike. It's up to the user. But uphill you must work, and can get in a nice sweat. It just means you can go up much bigger hills than with your normal bike. This evening I went 20km 700m of ascent and descent over 1hr 20mins, starting at 6.45pm. I could never have had such a workout on my normal MB that late in the afternoon on a cold very cloudy evening, i.e, getting dark much quicker.