Another common name for the blind spot monitoring system is the lane change assist system, with its English abbreviations being BSM (Blind Spot Monitoring) or BLIS (Blind Spot Information System). The system uses microwave radar technology to monitor overtaking vehicles in the blind spots of the side-view mirrors in real time. Different car brands may use specific names; for example, Volvo calls it BLIS, while Mercedes-Benz refers to it as the Blind Spot Assist system, but their core functions all focus on enhancing driving safety. The system is automatically activated when the vehicle speed exceeds 10 km/h, with a detection range covering 3 meters to the left and right and 8 meters behind the vehicle. It filters out stationary objects through algorithms and accurately identifies dynamic threats, making it particularly suitable for low-visibility scenarios such as nighttime or severe weather. It is one of the important active safety features in modern vehicles.
