Core Viewpoint - The article emphasizes that owning a car is just the beginning, and the real challenges often arise during its use, particularly regarding maintenance and after-sales service [1]. Group 1: Common Maintenance Issues - Common maintenance problems include component failures such as brake noise, air conditioning issues, engine vibrations, and door noises [4]. - Electronic system problems like central control malfunctions, backup camera failures, and sensor issues are also prevalent [4]. - New car quality defects can manifest immediately, including paint peeling, water leakage, and poor assembly [4]. - Inadequate after-sales service can lead to additional charges during warranty periods, delays in repairs, and unsatisfactory service attitudes [4][5]. Group 2: Initial Steps for Problem Resolution - When issues arise, the first step is to contact the purchasing 4S dealership or the brand's after-sales service center [6]. - Authorized 4S dealerships have dedicated after-sales service hotlines that can provide inspection and handling based on the vehicle's maintenance records [7]. - If dissatisfied with the repair results, customers can request a re-inspection or escalate the issue to the brand's headquarters for complaints [8][9]. Group 3: Complaints to Regulatory Authorities - If a 4S dealership fails to address issues, customers can file complaints with regulatory bodies [10]. - The National 12315 platform, managed by the State Administration for Market Regulation, handles complaints related to sales fraud, false advertising, contract disputes, and service quality [11]. - Complaints can be submitted via phone, app, or WeChat mini-program, and they will be assigned to local market regulation departments with administrative authority [12][13]. - For safety hazards or quality defects, customers can report to the National Market Supervision Administration's defect product recall technical center [14][15]. - Issues related to loans, insurance sales, or refund difficulties can be reported to the China Banking and Insurance Regulatory Commission [16]. Group 4: Social Complaint Platforms - Consumers can also utilize social complaint platforms like Black Cat Complaints, which is operated by Sina [17]. - This platform allows users to submit complaints through various channels by providing details about the car brand or 4S dealership, along with supporting documents [18]. - The transparency and quick feedback of Black Cat Complaints encourage companies to expedite their responses to maintain brand reputation [19]. - The platform publishes monthly "red and black lists" of companies, helping consumers identify brands with good or poor after-sales service [20]. Group 5: Consumer Associations and Legal Actions - If issues remain unresolved after multiple communications, consumers can seek mediation from consumer associations [21]. - Consumer associations facilitate communication between parties, suitable for minor disputes and service issues [22]. - For serious problems, such as refusal to fulfill contracts or causing property damage, legal action can be pursued [23]. - Although legal processes may take longer, they provide the strongest enforcement in contract and quality disputes [24]. Conclusion - The article concludes that post-purchase issues do not necessarily indicate bad luck; knowing whom to approach for resolution is crucial [24]. - Official platforms are authoritative, Black Cat Complaints is efficient and transparent, consumer associations offer flexible mediation, and legal avenues provide the most security [25]. - Keeping records of repairs, contracts, receipts, and communication evidence can help resolve most issues effectively [26].