Artificial Intelligence vs Autonomous Cars vs General Data Protection Regulation

Autonomous cars operate following specific commands, routines and sequences based on algorithms developed by humans. When they will appear on the market, they shall coexist with traditional cars driven by human drivers. What data shall be available and what data shall they collect about these cars and drivers, and how shall they process them? What are the boundaries of what information can be recorded for later use, and is it possible and/or necessary to regulate the Artificial Intelligence programs that control and command the operations of autonomous cars to prevent misuse of personal data, so that the privacy of drivers shall be protected?.