My friend told me when we were in her car that if you press that button (which wasnt even a button) then you will go flying out of the car roof, from the springs in the seat. I didnt dare touch it. The button was the seat-belt sign.
A childhood belief about cars

others believed things like this
- I used to believe that inside each volcano there was a guy who'd press a button to make it erupt.— Jim, UK
- I used to think that babies were made when you press your mums belly button.
Then a baby would fall out— Chris Hyndman - I used to believe that If I stuck my finger really far inside of my belly button I could touch my insides.Anon
- That if you didn't have your seat belt buckled up when the car was in motion, it would crash.— Dave Smith
- When I was a kid my dad told me that if you unscrewed your belly button your bum would fall off.— Ann
- I was told that your belly button is where you put salt when you eat apples in bed.— Shurnuff