Private to Erik. Enter the passphrase to unlock this device.
Apple only delivers web notifications to apps on the Home Screen. Until this is added there, this device can show the list but cannot buzz you.
Nothing will reach you until this is switched on.
At least 8 characters, no spaces. It changes everywhere at once, so your other devices will ask for the new one the next time you open them. Your reminders keep firing either way.
Reminders only ever fire for things you asked for. Nothing here watches your calendar or invents notifications on its own.