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During the driving of the vehicle, the rear two digital probe radars are always in working condition, monitoring the area 2.5m wide and 5m long behind. During driving, the turn signal is not turned on, and the LED light is always on when a vehicle or object is detected in the monitoring area, and it does not light if there is no vehicle or object in the monitoring area; When the corresponding turn signal is turned on for the first time, the LED light flashes and the buzzer only sounds three times when there is a vehicle or object in the monitored area on the side corresponding to the turned turn signal. When the turn signal is always working, the LED light Blinking until the vehicle or object leaves the monitoring area, the buzzer will only work after leaving the turn signal 3S after turning on the turn signal again. Playing double flash does not work. |