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Car alarm system refers to the addition of electronic identification to the car.The electronic anti-theft alarm system of the car refers to adding electronic identification to the car to play the role of anti-theft. Electronic anti-theft alarm system is to add electronic identification to the car lock, unlocking and matching keys need to enter a dozen passwords of the car anti-theft way, it generally has remote control technology, is with the development of electronic technology and rapid development of a way of anti-theft. After the owner remotely locks the door, the alarm enters the alert state, at this time, if someone prys the door or opens the door with a key, it will immediately lead to the alarm and alarm alarm, deter thieves from stealing, the front door of the car is not closed properly, the warning light will flash for several seconds. After the car turns off and remotely locks the door, if the door is not closed properly, the car lights will keep flashing and the horn will beep until the door is closed. When the remote control emits the correct signal, the central door lock automatically opens or closes. The remote control of the electronic remote control anti-theft device and the electronic key have the corresponding password. In short, the automobile electronic anti-theft alarm system is the patron saint of modern vehicle safety, and with its high-tech protection means, provides the owner with a more secure driving experience.