I used to think that when the weatherman said Wind Chill Factor He saying Windshield Factor, and was talking about how cold your car's windshield would be. (I always wondered why that ws so important.)
A childhood belief about cars

others believed things like this
- I used to believe that trees made the wind, but its the wind that blew the trees!— victoria
- I used to believe that the wind was caused by trees so you could stop the wind by getting rid of trees.— Nira
- I used to believed that "approximately" actually means "important".Anon
- I used to think it was the United STEAKS of America and that cows must be really important in the U.S.— Jake
- I used to think that the tree branches moving was making the wind, not the wind making the tree branches move.— Jenny
- that Uttoxeter was a huge and important place, cause all roads in Stafforshire point towards it— rosy