How do you change the thermostat in a Mazda 2001 MPV?

To change the thermostat in a 2001 Mazda MPV, start by draining the coolant from the radiator. Next, locate the thermostat housing, which is typically found near the engine block, and remove the bolts holding it in place. Take out the old thermostat, clean the mating surfaces, and install the new thermostat with the correct orientation. Finally, reattach the housing, refill the coolant, and run the engine to check for leaks.