Where is the thermostat in a 2003 infiniti m45?

In a 2003 Infiniti M45, the thermostat is typically located near the engine, specifically at the engine's front, where the upper radiator hose connects to the engine block. To access it, you may need to remove the intake manifold and other components for better visibility and reach. Always consult the vehicle's service manual for specific instructions related to your model.