By implementing Dynamics 365 Field Service, BYD USA has successfully provided a unified information solution for its after-sales service department. The system integrates various functions of after-sales service, from parts management, service scheduling to maintenance record tracking, optimizing the entire after-sales service process. The automated management of the system greatly improves the service efficiency, reduces the error rate of manual operation, and ensures the rapid response and efficient handling of customer problems. At the same time, the centralized management of information flow also provides more accurate data support for decision making, improving overall operational efficiency and customer satisfaction.