How do you replace heater relay in 2006 Kia Sorento?

To replace the heater relay in a 2006 Kia Sorento, first, locate the fuse box, usually found under the dashboard or in the engine compartment. Remove the cover and identify the heater relay using the diagram on the cover or in the owner's manual. Gently pull the old relay out and insert the new relay in its place, ensuring it fits snugly. Finally, replace the fuse box cover and test the heater to confirm the relay is functioning properly.