Deliberate mistake: When the zombie (Tom Savini) is hit by a truck and spits a bunch of blood on the windshield, when he gets hit, the truck isn't moving at all. He runs into the car and spits blood to simulate being hit. It's hard to catch, but it's more obvious in slow motion. (Mentioned on DVD commentary.)

Dawn of the Dead (1978)
1 deliberate mistake - chronological order
Directed by: George A. Romero
Starring: Ken Foree, Gaylen Ross, David Emge, Scott H. Reiniger
Continuity mistake: When the old car blows up both of the dead zombies are gone. (00:21:40)
Dr. Foster: Every dead body that is not exterminated becomes one of them. It gets up and kills! The people it kills get up and kill.
Trivia: Despite popular belief to the contrary, the bright-red "pastel" look of the blood effects in the film was an intentional decision by director George A. Romero. He wanted the film to have a slight "Comic-Book Aesthetic", and thus chose an extremely bright hue of fake-blood in order to better contrast with the muted-gray look of the zombies.
Question: Wouldn't the mall staff have removed any gas from the car parked inside the mall?





Answer: Not necessarily, there are many instances where cars are parked inside of malls or even stadiums for promotional purposes. It is a lot easier to have gas in the car if it needs to be moved or replaced for any reason.
Invader_Gir