If your handlebar doesn't lock, turn it all the way to the left and press the off button on your key for about 5 seconds. If you can't hear a long zipping sound of the handlebar lock, there might be a technical problem. In that case please reach out to our support team via phone +49 30 220121299 (Mon-Fri: 09:00-17:00), chat with us or write us an email to [email protected].