Where is the thermostat located on a 2006 Nissan Armada?

The thermostat on a 2006 Nissan Armada is located near the engine, specifically at the junction where the upper radiator hose connects to the engine block. To access it, you'll typically need to remove the upper radiator hose and possibly some surrounding components for better visibility and access. It's advisable to refer to a repair manual for detailed instructions if you're planning to replace it.