Patent ID: 7916005

Claim:
An anti-theft system for a vehicle, comprising: a certifying device of an electronic key for getting in the vehicle, the certifying device certifying the electronic key held by a person who intends to get in the vehicle; a human body certification information certifying device that confirms human body certification information of the person; a door lock control device that unlocks a vehicle door in a case where the electronic key is certified by the certifying device of the electronic key for getting in the vehicle and the human body certification information of the person is confirmed by the human body certification information certifying device in a state where the door is locked; a memory that memorizes ID information of the electronic key when the vehicle door is unlocked by the door lock control device based on the electronic key being certified by the certifying device of the electronic key for getting in the vehicle and the human body certification information of the person being confirmed by the human body certification information certifying device; a certifying device of an electronic key for starting an engine, the certifying device certifying the electronic key based on a detection by an approaching detection sensor and reception of a response signal sent from the electronic key held by a person who intends to start the engine; and an engine starting switch that starts the engine of the vehicle if the electronic key is certified by the certifying device of the electronic key for starting the engine and the electronic key is an electronic key whose ID information is memorized in the memory, without performing human body certification, after the vehicle door is unlocked by the door lock control device, wherein the engine starting switch does not start the engine of the vehicle if the electronic key is certified by the certifying device of the electronic key for starting the engine but the electronic key is an electronic key whose ID information is not memorized in the memory, after the vehicle door is unlocked by the door lock control device.