Audi has been vaguer about what it will show, though the automaker currently leads the growing attention for autonomous cars that has developed since Google started working with its automatic Toyota Prius in 2009.

FORBES: Audi Follows Google's Lead, Gets Pass For Driverless Cars

At this stage, the robots are pre-programmed, but a future goal is to make them autonomous and to increase the number of collaborative units working as one.

ENGADGET: Modular robots join forces to search and rescue