When I was about five or six, I thought the "Hazard" button on a car, if pressed while the car was in motion, would make the car do a jump ala "The Dukes Of Hazzard". I never got up the nerve to press it, though.
A childhood belief about cars

others believed things like this
- I thought that when you pressed the hazzard button in the car, the dukes of hazzard would come and save you.— smfd26
- I grew up in NY and used to believe that The Dukes Of Hazard took place during the Civil War.Anon
- I used to believe that inside each volcano there was a guy who'd press a button to make it erupt.— Jim, UK
- I use to think the hazard lights button would cause the car to explode.— m0u5y
- I used to think that babies were made when you press your mums belly button.
Then a baby would fall out— Chris Hyndman - I thought baby oli was made from pressed babies.Anon