I used to believe that the handle between the two front seats in the car was call a "mercy brake". Because, "MERCY! I need to stop NOW!"... and because my mother spoke with a strong accent. I was in my teens when I figured out it was an emergency brake.
A childhood belief about cars

others believed things like this
- I used to believe that if I spoke with whatever accent a language was in, I was speaking that language...— Renae
- My mother used to call my behind "a paw paw" and for many years I refused to eat paw paws (papayas)— Garth
- I used to believe that toilet seats were for kids only and that adults sat directly on the bowl. — Evan Klyne
- my mother was able to stop me from sucking my thumb by telling me it would rust and fall off!!— lv
- I used to believe that a "No Loitering" sign was "No Littering", inexplicably spelled with a Brooklyn accent.— erin
- Anyone else think that Emergency Exits were special exits for some celebrity called 'Emer Gency' to use?— Mark Yardley