Give Me Liberty... or Give Me Death - S1-E15
Continuity mistake: Just after the tyre is shot the car skids and comes to a stop. In the next cut away inside the car, it is still skidding. (00:14:20)
Give Me Liberty... or Give Me Death - S1-E15
Continuity mistake: The General Lee explodes in flames, but in the next shot of the car, you can see that the car on fire is a completely different car. (00:28:50)
Give Me Liberty... or Give Me Death - S1-E15
Revealing mistake: When the van overturns at the end of the episode, you can easily see the padded roll bars used to protect the actors inside. These bars don't appear anywhere else in the episode.
Answer: KITT didn't choose to go off the cliff in Goliath Returns, it just happened as he tried to avoid Goliath. Just 'cus it happened, doesn't mean It's gonna cure his fear of "flying"