It’s when Hiro first arrives in America, he’s very excited to rent the Versa, and says Nissan Versa like 3 or 4 times in a row, and it was an absolutely ridiculous instance of blatent advertising. The scene on YouTube.

The Nissan Versa was also a reference to the show. There’s an episode where Hiro makes a huge deal out of using a Nissan Versa to drive around America,. It was over the top product placement.