When you are using Carlinkit 4.0/Autokit and not using an iPhone cable to connect to the product for charging, this prompt appears, indicating that you need to replace the product (within the warranty period, visit the website where you purchased the product and contact the store's customer service)

When you are using Carlinkit 4.0/Autokit and only use an iPhone cable to connect to the product for charging, this prompt appears, it means you need to replace an iPhone cable (with MFi certification)