Nos livros, é bem o inverso - o Knight Bus não se esquiva das coisas, as coisas saem do caminho do Knight Buses .
Ernie didn't seem to have mastered the use of a steering wheel. The Knight Bus kept mounting the pavement, but it didn't hit anything; lines of lamp posts, letter-boxes, and bins jumped out of its way as it approached and back into position once it had passed.
Mais tarde, com a menção de Voldemort ...
Even Stan's pimples went white; Ern jerked the steering wheel so hard that a whole farmhouse had to jump aside to avoid the bus.
Então, como sempre, os filmes estão fazendo as coisas erradas. O que aconteceria se o Knight Bus falhasse? Não sabemos, desde que seja funcional, não pode falhar .