Is it illegal to lock the car?

Legal analysis: it is illegal to lock the car in the community. Under normal circumstances, residential property has no right to lock the owner's car, and the car locking behavior of residential property belongs to the infringement of property rights. From a legal point of view, residential property is only a service department, not a law enforcement department. The property and the owner have signed a property service agreement, and the residential property has no right to lock the car or take other compulsory measures.

Legal basis: Article 241 of the Civil Law of People's Republic of China (PRC), the owner has the right to establish usufructuary right and security right on his own real or movable property. When exercising their rights, the usufructuary right holder and the security right holder shall not harm the rights and interests of the owner.