The 5 strangest things we've seen related to self-driving cars
At the moment, no auto manufacturer has managed to produce anything that goes beyond what's called "Level 2" autonomy - effectively just very advanced cruise control. Think Tesla's Autopilot, which enables the car to handle mostly freeway driving.
Cadillac will soon debut SuperCruise, promising similar capabilities.
The path to marketable Level 4 or 5 autonomy still looks quite long; humans will be hands-on-the-wheel and eyes-on-the-road for at least a few more years. But that doesn't mean that a lot of experimentation isn't underway. Some of it is futuristic, but some of its has been, well ... sort of odd.
Here's a rundown of the long, strange trip, thus far: