Fart in car turn off button

Rtfm

If leave the car running as you park, the car is beeping, click it, it will deactivate the alarm.

Ejecto-seat cuz

Not seeing anything online, but could it be to turn off the alarm?

Emits an extremely high frequency noise only other Mazda drivers can’t hear…

What happens if you leave your dog in a car without pressing that button?

Turns off the Alien 👽 abduction feature.

Judging by the picture, you push that button when you get a traffic cone stuck on your tire.

It’s to disable the possibility of being abducted by aliens

sounds like it might be the control for the rear climate system. have you checked if it activates when the rear climate is on?

Its your 10 second auto destruct button. Cleverly canceled within the normal key fob buttons

It opens the glovebox and reveals a book.

It would be good if car makers would include some sort of literature describing what features your car has when you buy it. It would come in handy in times like this when you have a question - you could just look it up yourself.

What would they call it I wonder?

Turns the thingy off