Aimed at young family users, the design of ARCFOX αT5 of BAIC, a family SUV, enhances the user experience with functions as a multifunctional mobile home for daily life and short-distance travel. Based on the interaction between users and the vehicle, it has expanded functions to suit scenarios including commuting and trips, strengthening its connection with users. The set includes four major modules, which are the central console kit, panoramic sunroof utility space, interactive entertainment module and trunk-based travel module, respectively upgrading the user experience of driving, passengers and their interaction during travel and interaction between the vehicle and its users during trips. Central Console Kit: A console support system is designed around the driver’s seat with a phone holder, storage box and stress-relief components, optimizing operational convenience and driving comfort. Panoramic Sunroof Utility Space: A frame system that can be fixed around the sunroof integrates shading, lighting and storage functions to meet diverse needs for the top space, adding convenience and privacy. Multi-Mode Entertainment Module: Based on a small tray design on the rear seat armrest, it provides space for dining, entertainment and front-back interaction, enhancing the entertainment experience and interaction. Mobile Family Base: The modification of trunk supports provides storage, refrigeration, rest and parent-child interaction functions, meeting the needs of daily life and trips when the trunk becomes a base for family short trips. The design of multifunctional modules combines with the practical needs of young families to create a family SUV accessory system that comprehensively optimizes storage, entertainment and travel convenience. It allows young families to enjoy a convenient, comfortable and fun in-car experience across various travel scenarios.