Why is my phone not connecting to my car audio?
To reset your system, delete the vehicle profile from your phone and disable the Bluetooth. Delete your phone profile in your vehicle system. Disable vehicle Bluetooth if there is such an option. Now enable the Bluetooth in your phone and the vehicle infotainment system and try to pair again.
Why does my car not recognize my iPhone?
If your iPhone isnt detected by CarPlay, make sure that CarPlay isnt restricted. Go to Settings > Screen Time > Content & Privacy Restrictions, tap Allowed Apps and make sure that CarPlay is enabled. Then set up CarPlay again. Make sure that your CarPlay stereo is using the latest firmware from the car manufacturer.
How do I connect my iPhone to my car radio?
Plug one end of your iPhones data or lightning cable to the port at the bottom of your iPhone. Take the other end of the cable and plug it to the USB port on the car stereo. Set your car stereo to iPhone/USB mode. Press the menu button on your car stereo and set it to USB or iPhone mode.
How do I enable USB mode on my iPhone?
Just go to Settings —> Face ID (or Touch ID) & Passcode —> USB Accessories. Toggle this option to on (green) and your accessories will function the exact same way they did before iOS 11.4.