An outdated firmware version could be another reason why your USB ports are not working. Before you get too frustrated, make sure your car is updated to the latest available firmware version.

Android phones allow users to switch between file transfer/Android Auto, USB tethering, MIDI, PTP, or webcam options when plugged into another device such as a PC.

Starting in Android 15 Developer Preview 2, you’ll need to authenticate yourself via your lock screen PIN/password/pattern or via your biometrics before you can change USB modes.