What should I do if the car film of the property sticks to the alarm?

You can choose to call the police in this case.

Within the scope of the community, the property is entrusted by the owner's authority and has the responsibility to maintain the parking order in the community, so it has the right to give a warning to illegally parked vehicles. "The owner should be able to park his car in the parking space in front of the building. If there are regulations in the community, and it is publicized in the community, and with the consent of all owners, parking is not allowed there. In order to regulate parking, the behavior of pasting notes is within a reasonable range, but it is inappropriate to use glue and other harmful behaviors to the car.

Article 165 of the Civil Law of People's Republic of China (PRC): If the actor infringes upon the civil rights and interests of others due to his fault, he shall bear the tort liability. If the actor is presumed to be at fault according to the law and cannot prove that he is not at fault, he shall bear tort liability.