What are some tips for maintaining the Nissan Navara's gearbox?

I recently bought a Nissan Navara and I want to know the best practices for keeping the gearbox in good shape. I've heard that it's important to regularly change the transmission fluid, but are there any other things I should be doing?

Regularly change the transmission fluid as recommended by the manufacturer.

Avoid using the manual mode too frequently as it can cause wear and tear on the gearbox.

It's also a good idea to check the gearbox for any leaks and make sure all the bolts are tightened properly.