This document specifies two interfaces as part of the framework to enable mobile, content and automotive services to be easily federated and provisioned into cars and accessed via authentication.

1. The interface between Mobile Service Provider (MSP) and Car Mobility Provider (CMP), also referred to as the AiD1 interface.
2. The interface between the Car Mobility Provider (CMP) and the CMP app [car OS] on the vehicle, also referred as the AiD2 interface.

In particular, one of the key aims is to enable individuals to seamlessly use their mobile subscription and mobile services via an in-car system and consumer eSIM across multiple cars.