When KITT is following the ambulance to the hospital, he is instructing the EMTs on what to do. This is unnecessary as they are fully and completely trained to tend to GSWs.
When K.I.T.T. is following Michael and Stevie on the beach, the shroud covering the stunt driver behind the driver's seat is clearly visible.
When K.I.T.T. picks Michael up from the hospital and he gets in and has his heart to heart chat with K.I.T.T., the passenger seat is obviously a dummy seat, and the shroud covering the stunt driver behind the passenger seat is clearly visible.
After Michael is shot, the low angle of the shot of K.I.T.T.'s nose shows a clear view all the way through to the other side, showing it's really just a plastic molding with some lights in it and not the solid structure it usually appears to be.
After K.I.T.T. has processed the reflection of Durant's facial profile from the case (despite there having been plenty of clear footage of him which could have been used), the resultant print out of Durant is a straight-on head shot, not the profile which was in the reflection.
The circuit board the hackers are working on at the government data center is part of an RCA XL-100 color television set.
When Michael is reviewing the video of his shooting, he has KITT focus on the image on the briefcase when there are other, much more clearer images of the shooter from the footage that could have been used to identify the shooter easier and faster.