To ride the bike you can just start pedalling and you will feel the electric assistance. Light turn on automatically and turn off automatically when the bike is standing still for 10min.
The display will show the battery level, range and km cycled.
When you park the bike, it will automatically turn off after a few minutes.
You can use the lock on the rear wheel, to lock the bike, if you decide to have a break.
To unlock the rear lock, you have to use the app and scan the QR code on the rear lock to unlock it.