After upgrading from iPhone 13 Pro Max to iOS 18, the function of inserting USB lighting cable into the car to listen to music disappeared

After upgrading from iPhone 13 Pro Max to iOS 18, the function of inserting USB lighting cable into the car to listen to music disappeared. My car is Golf(2013y)

After upgrading from iPhone 13 Pro Max to iOS 18, the function of inserting USB lighting cable into the car to listen to music disappeared
 
 
Q