Why does my fan run so long after I shut the car off

What is your question?

When I drive my vehicle. Shut it off . The fan keeps running. My battery has died because of this. So now I pull the relay switch to shut off fan. Very distracted

How long has your 2018 Hyundai Tucson had this problem?

About 2 weeks. After I got 2 recalls done . One recall was fuse box kit