Audi's plans to aid the race to make self-driving cars the normare well known by now, but on Tuesday the company unleashed a new surprise with a decidedly secret agent-style twist — a smartwatch to control your car.

When Audi's team took to the stage, led by Prof. Dr. Ulrich Hackenberg, an Audi board member for technical development, no one expected the company to announce a wearable, but the reception to it was mostly positive.