某些汽车音响有防盗功能,其类型有两种:一是在被盗时汽车音响的主要部分变为不可拆卸或强行拆卸即损坏,通常利用电磁铁及其他机械锁定装置;二是设定密码,当驾驶员设定密码并进人防盗状态后,音响系统必须输入驾驶员设定的密码,否则不能工作,音响系统可较容易地拆下,但密码不正确时,音响系统不工作。 Some car audio anti-theft features, there are two types: First, the car audio when stolen the main part becomes irremovable or forcibly removed that is damaged, usually using electromagnets and other mechanical locking device; the second is to set the password When the driver sets the password and enters the anti-theft status, the sound system must enter the driver-set password, otherwise it can not work, the sound system can be easily removed, but the password is incorrect, the sound system does not work.