At the climax when McCloud is driving the Hearse, he jumps out of it which leaves the driver's door open. When the Hearse is next shown approaching the gate the door is now closed shut.
When McCloud responds to the pharmaceutical robbery, the unit and precinct numbers of his squad car change between shots, from Precinct #27 to Precinct #6.
During the tour the tour guide mentions the food prepared without "processing". This doesn't make sense, as she probably was supposed to say "preservatives" instead. Or, this could have been deliberate to emphasize the vacuous nature of her presentation.