- Unlock your device and head to Settings > Touch ID & Passcode (or Face ID & Passcode for those with Face ID-capable devices).
- Enter your passcode when prompted.
- Swipe down to the section labeled Allow Access When Locked and find the option USB Accessories. By default, this option is toggled off which means that USB Restricted Mode is enabled. Toggle the option On to disable USB Restricted Mode.
Or see our Broken CarPlay iOS 12 fix tutorial image!