I’ve lost my CarPlay!

I have a 2018 Fusion Titanium. My phone is connected to the Bluetooth so that’s not an issue, but when I connect my phone to the car via a usb cable, the CarPlay isn’t working. Also in the last week, when I turn my car on, the radio is just on a random station as opposed to the last one I was just listening to when I turned the car off, it’s really weird, and I need my maps!! Any suggestions?