I was around six when I asked my father what why some cars had GB on the back. He informed me that it was the next stage after being a Learner driver and it meant 'Getting Better'. Seemed reasonable to me.
A childhood belief about cars

others believed things like this
- I thought the no overtaking sign meant that red cars cannot drive by black cars.— Helen
- I used to believe that the inspection stickers on cars indicated the cost of the car, ie, a 12 meant $12 etc.Anon
- I used to believe that the "cruise control" button in cars meant that the car could drive/maneauver itself.— Myriam
- I used to believe that "Our Father, who art in heaven" meant that God was also a painter on the side. — Amanda
- I thought small cars grew up to become big cars— carhugger
- I used to believe that God was the one playing "cars" with our cars. Sounds weird hey?— Roe