When I was about 4 I heard my mom make the comment, "well I guess that they ran out of blinker fluid". It wasn't until I got my driver's permit that I realized that there was no such thing as blinker fluid.
A childhood belief about cars

others believed things like this
- When ever we went to the gas station, it was to replace the blinker fluid.Anon
- I used to believe that you could not make the car turn left or right without turning the blinker on.— Christy Shane
- I used to think the car's blinker had to be on for it to be able to turn. O_O;— Lina
- My sister just recently realized that the lyric "more than a woman" wasn't 4 letter woman!— Anne
- I always used to think that Ozzy Osbourne was a racing driver!
Anon - I used to believe that a "ghost-driver" was a car driving with a white sheet over it.— Nynke