This Practice Note considers the following data, privacy and cybersecurity issues arising in connection with the use of autonomous and connected vehicle technology: • The technology • Declaration of Amsterdam • Cooperative Intelligent Transport Systems (C-ITS) • EU General Data Protection Regulation • ePrivacy Directive • Cybersecurity • Data accessibility • Liability • EU AI Act • eCall • Data preservation and data production in the context of criminal proceedings • International • Practical issues For more information about other key legal issues arising in connection with this technology, see Practice Note: Automated vehicles—key legal issues in the EU and for a summary of key dates and information, see Practice Notes: EU data initiatives—tracker [Archived], EU Media, digital and telecoms tracker—horizon scanner and EU Media, digital and telecoms tracker—key developments tracker. To track developments in the UK, see Practice Notes: Autonomous vehicles—key legal issues, Autonomous and connected vehicles—data protection and privacy issues and UK automated vehicles—tracker. The technology Modern vehicles already feature a range of external communications systems such