How do you remove the heater core in a 1997 Cadillac Seville?

To remove the heater core from a 1997 Cadillac Seville, start by disconnecting the negative battery cable. Then, drain the engine coolant and remove the dashboard and center console to access the heater core. Disconnect the heater core hoses from the engine compartment, and unbolt the heater core from its housing. Finally, carefully remove the heater core from the vehicle, taking care not to damage any surrounding components.