You can actually see some of the actors laughing in the car when the car fails to start.
In the bonus disk with all nine seasons, the four actors and Larry David say the hardest thing they had to do when filming the show was to keep from cracking up.
"Io sono stanco, sono imbigliato, and I wan't everyone here to know, there ain't gonna be no trouble from me..Don Corleone..Cicc' a port!"