How do you replace a heater core in a 2005 suzuki forenza?

To replace the heater core in a 2005 Suzuki Forenza, first, disconnect the battery and drain the coolant from the system. Remove the dashboard and center console to access the heater core, which is typically located behind the dashboard on the passenger side. Disconnect the hoses and any electrical connectors from the heater core, then remove the core itself. Install the new heater core by reversing the disassembly steps, ensuring all connections are secure and refill the coolant before reconnecting the battery.