Not OP, but some cars don’t have bluetooth. My 2009 honda civic didn’t have bluetooth for music. It had bluetooth, but just for the handsfree calling (really dumb), but I also swapped the head unit myself to an android head unit. While there are adapters for USB-C to aux, I found the ones I got weren’t super reliable. My phone doesn’t have an aux, but I wanted one. I made the sacrifice of no aux to get 5G on a different model phone instead. It’s worked out, but when looking for phones in the future having an aux port is a point in that phones favor.