How do you remove heater core 1996 Cadillac devill?

To remove the heater core from a 1996 Cadillac DeVille, first, disconnect the negative battery cable and drain the coolant from the radiator. Then, remove the dashboard and any components obstructing access to the heater core housing. Disconnect the hoses connected to the heater core, unscrew the core from its housing, and finally, carefully remove it. Reinstalling the new unit involves reversing these steps, ensuring all connections are secure and the system is refilled with coolant.