The 2021 revision of the Mini Cooper ramped up its Britishness by introducing Union Jack flag-inspired turn signals. They looked okay when stationary:

But when actually indicating an intention to turn, people started realizing what happens when you have two types of mapping fight each other:

On one hand, the left-turn indicator was on the customary left side. On the other, the light looked like an arrow – and the arrow was pointing to the right.

I don’t know how many people were actually confused by it, but it made for a few spicy pieces with “stupidest turn signal ever” and “most annoying thing” in their titles. The company’s official response was:

Mini has chosen the Union Jack lights to highlight Mini’s British heritage, and has been using them for a while. With regard to the turn indicator light pattern, there should be no trouble at all for a driver to understand, when seeing the full rear of the car, which direction is being indicated.

Mini has not heard any concerns from customers regarding the rear turn indicators, and has in fact received positive feedback about the taillight design.

It didn’t help that one of the worst cars this side of the Cybertruck did something similar in the 1950s:

Drama aside, I did agree with this commenter (emphasis mine):

It doesn’t cause massive confusion, but taillights should cause no confusion for anyone.

I can think of one modern version of a similar issue. If you use the iPad in landscape mode, the volume buttons seem to go “the wrong way”:

Is this anything? Probably not. I imagine it’s better to be consistent and allow motor memory to develop between all the iPad orientations, and throw in the iPhones, too. But if you only ever use your iPad in landscape, this might feel, perhaps, like “the stupidest volume controls ever.”

Oh, and the subsequent Mini revamp in 2024 solved the issue by making the turn signals less like arrows: