No Big Thing - S1-E8
Other mistake: When the semi is approaching Michael head on, KITT tell Michael to hit the brake, which Michael does. Then KITT tells Michael to put it in reverse, which Michael does. But then KITT says "why reverse, we could have jumped over?" as if he wasn't the one who suggested reversing.
Answer: Often the driver of the truck doesn't wear turnout gear to the incident, and has his gear in the truck. It is also very common to have an extra set of gear in case someone's is contaminated or fails.
stiiggy