Other mistake: Just after Michael finds Devon in the trailer, as he gets in K.I.T.T you see him put the gear into D and then he reverses. Then it shows you him putting the gear into R and then drives off. Looks like they got the footage the wrong way round in the edit.
Other mistake: When KITT is heading off the two goons, he starts to chase them. As he does, you can see the hood behind the driver's seat, hiding the stunt driver. Also, when KITT is dropped into the pool of chemicals, you can easily tell that it's a model in a miniature set.
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