Trivia: The Pizza Planet truck is visible cheering on the right side of the track at the World Grand Prix in Radiator Springs at the end of the movie. (01:37:45)
Trivia: During the last race in London, Lightening passes by a sign that is advertising Lassetyre. That is a shout out to John Lasseter one of the directors of the movie.
Trivia: Characters from Pixar's following feature, Brave, can be seen (as cars) in a piece of artwork on the wall in the pub in London.
Trivia: While racing in Paris (also in the closing credits) you can spot a sign for a restaurant called "Gastows" which is a shout-out to Gusto's restaurant in Ratatouille.
Trivia: This was the first Pixar movie to not be nominated for an Oscar.
Trivia: When McQueen and Mater are driving through Radiator Springs, they pass a marquee for the drive-in theatre that is said to be playing a movie called The Incredimobiles - a reference to The Incredibles.
Trivia: On any poster with the Globe, to the left of the Cars 2 sign there is an island the shape of Finn in the Caribbean. There are also lands in the shape of cars elsewhere - Mater in Canada and Lightning McQueen in the UK.
Trivia: When the other cars beat up Grem and Acer in the Ye Left Turn Inn in London, you can hear the Wilhelm scream.
Answer: They heard him recording the message to Finn and found his words suspicious.