When Officer Brown resigns from his job, he places his badge on the chief's desk. In the very next scene, his badge is back on his shirt.
(at around 53 mins) After the actor berates the farmer for selling things from a TV tray, the cameraman is seen in the windows as the vehicle drives off.
When the car breaks down near the beginning of the film, Carlos mentions several times how inferior he thinks Japanese vehicles are. The car he is referring to is made by Hyundai, which is headquartered in South Korea.