How do you replace heater core in 2003 jaguar?

To replace the heater core in a 2003 Jaguar, first ensure the vehicle is cool and disconnect the battery. Drain the coolant and remove the dashboard to access the heater core, which typically involves removing the center console, instrument panel, and any necessary trim. Disconnect the heater core hoses and any electrical connectors, then unbolt and remove the old heater core. Install the new heater core, reassemble the dash, and refill the coolant before reconnecting the battery and testing the system.