Huvudbibliotek in Trollhättan serves as a central resource for residents and visitors, providing a range of services related to city information. It offers access to details about local city services, job opportunities, and career information. Additionally, the library provides current traffic updates and has facilities for reporting issues or complaints, along with a feedback mechanism for residents to share their experiences regarding city services.
The library also plays a role in promoting local tourism and attractions, helping to enhance the community's engagement with its cultural and recreational offerings. As part of its community outreach, Huvudbibliotek announces events such as the New Year's celebrations for 2025 and features podcast episodes that discuss various city events and topics of interest. Furthermore, it is recognized for its contributions to the film industry, with plans to highlight Trollhättan's status as a film city in 2026.