What are some tips for maintaining a Toyota Land Cruiser?

I just bought a Toyota Land Cruiser and I want to make sure I take good care of it. What are some steps I should take to maintain it in top condition?

Regularly check and change the oil and other fluids, such as coolant and brake fluid.

Keep an eye on the tires and make sure they are properly inflated to improve fuel efficiency and handling.

Wash and wax the exterior regularly to protect it from dirt, debris, and weather elements.