My ex-boyfriend used to believe that his dad had a "Turbo Boost" button in his car. They'd be going down the road and his dad would hit the "Turbo Boost" and they'd go really fast. When he grew up he realized it was just the emergency flashers.
A childhood belief about cars

others believed things like this
- I used to beleive that road signs grew out of the ground.— Tiana
- Anyone else think that Emergency Exits were special exits for some celebrity called 'Emer Gency' to use?— Mark Yardley
- my boyfriend used to think that Hanna and Barbera were two women that did all the cartoons— Helen
- I convinced my boyfriend that paprika flavored crisps were made from donkeys...he was 20 at the time.Anon
- I used to believe that if I ran fast enough I could outrun the rain. — Yosa
- I used to believe the "Yield" from the road sign was somebody's name.— julia