Group 1: Automotive After-Sales Service - The "Daily 3.15 Rights Protection Investigation" revealed that none of the eight automotive companies surveyed provided substitute vehicles or transportation subsidies for customers during after-sales service issues [1] - The investigation highlighted that automotive after-sales service has become a significant challenge, with the "substitute vehicle" issue being a primary concern [1] - The investigation included major brands such as Mercedes-Benz, BMW, Toyota, Hyundai, Honda, Volvo, SAIC Volkswagen, and Great Wall Motors, all of which failed to offer substitute vehicles or transportation subsidies [1] Group 2: Hospital Complaint Handling - An investigation into ten top-tier hospitals found that eight did not properly handle complaint calls, with staff failing to provide their work numbers and names, violating the established complaint handling protocols [2] - The hospitals did not implement the first-contact responsibility system as required by regulations [2] Group 3: Government Departments - Some government departments were found to be unresponsive during designated working hours, with staff leaving before the official lunchtime, which is set at 12:00 PM [2] Group 4: Notary Services - An investigation into seven notary offices in Hainan revealed that only two could correctly inform clients about fee exemptions for those eligible for legal aid, while the others were either unclear or outright denied the availability of free notarization [2] Group 5: Mobile Phone Industry - In the mobile phone sector, only Lenovo, Samsung, and Xiaomi provided substitute devices as required by regulations, while brands like Huawei, Honor, Meizu, VIVO, Apple, Realme, and Nubia gave vague responses regarding their policies [2] Group 6: Home Appliance Industry - The investigation into the home appliance sector found issues with companies like Xiaomi, Skyworth, and Little Squirrel, where emergency service hotlines were often managed by robots, making it difficult for customers to reach human representatives during urgent situations [3] - Some companies failed to provide timely emergency services, with commitments to 24-hour hotlines not being fulfilled during holidays [3]