The increasing number of private vehicles in Ho Chi Minh City is driving up demand for car maintenance and repair services. However, vehicle owners are finding it challenging to identify trustworthy and high-quality garages. Many drivers are unsure where to take their cars for reliable diagnostics and repairs. This uncertainty stems from a lack of clear information regarding garage credibility. The situation presents a growing concern for car owners seeking dependable automotive services within the city. The need for reliable options is becoming increasingly prominent as vehicle ownership continues to rise. This highlights a gap in consumer resources for evaluating auto repair shop quality.