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by bri3d 3753 days ago
According to this article, Tesla's system is not capacitive : http://www.wired.com/2015/10/tesla-self-driving-over-air-upd...

One interesting thing to try, still, would be to stuff a full water bottle into the gaps in the steering wheel to emulate a hand, like so: https://www.youtube.com/watch?v=qi2oIRMwmZY

This definitely works for many capacitive systems, but I think this might also work for some of the movement-based systems, since it will add extra mass/inertia to the wheel and the water sloshing around could emulate small hand movements.