How do you replace rear heater hoses on a 2002 Mazda MPV?

To replace the rear heater hoses on a 2002 Mazda MPV, first, ensure the engine is cool and disconnect the negative battery cable. Locate the rear heater hoses, which run from the engine to the rear heater core, and remove any clamps securing them. Cut the old hoses off and install the new hoses, making sure to secure them with clamps. Finally, refill the coolant, check for leaks, and reconnect the battery.