The car itself is particularly interesting, as the model was the one which Mr. Miyagi had given to Daniel in The Karate Kid. Daniel and Mr. Miyagi set up a bonsai tree business in The Karate Kid III.

When Daniel asks how he knows the Bonsai tree image in his head is correct, Mr. Miyagi replies with this Karate Kid quote. It is his way of saying that Daniel needs to be happy with himself ...

Mr. Miyagi teaches Daniel-San karate and life lessons in the "Karate ... And while we're here, why is it so damned hard to find a good bonsai tree? And why can the simple phrase "Ay!