How often should I change the transmission fluid on my Nissan 370Z?

I just purchased a Nissan 370Z and I'm wondering how frequently I should change the transmission fluid. I've heard conflicting advice - some say once every three years, while others say every 30,000 miles. What do you recommend?

As a frequent user of Nissan vehicles, I can tell you that it's important to follow the recommended maintenance schedule provided by the manufacturer. This usually includes changing the transmission fluid every 30,000 miles or every 3 years, whichever comes first.