What does LCA stand for in automobiles?

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Automobile LCA stands for Lane Change Assist system. The Lane Change Assist system is based on 24G millimeter-wave radar sensors, acting as a safety eye for blind spots to ensure safe driving control. When vehicles approach from the adjacent lanes at the rear within a range of 0 to 70 meters, the Lane Change Assist system will automatically warn the driver based on the level of danger. The working principle of the Lane Change Assist system is as follows: it uses radar sensors to monitor the side and rear areas of the vehicle, detecting the current position, speed, and direction of other vehicles in the adjacent lanes within a certain range. When a vehicle is in the blind spot or approaching rapidly from behind, the warning signal on the exterior rearview mirror will remain lit to alert the driver.