A few years ago, you may remember the case of Toyota Prius owners reporting cases of sudden acceleration. I own one, but never experienced this problem, however, this story disappeared from the news, so I thought it wasn’t real and was probably due to “driver error.”
A few months ago I found this incredibly fascinating talk by Prof. Phil Koopman, who served as an expert witness in this case. I highly recommend you watch this hour-long video. It is fascinating and scary. Slides of his talk are also available.
There’s a lot here to learn for testers and developers.