The underground garage property is stairs. What should I do if the car is damaged?

If the property needs to bear the responsibility, you can sue the property company to the court. Article 35 of the Property Management Regulations stipulates that property service enterprises shall provide corresponding services in accordance with the provisions of the property service contract. The realty service enterprise fails to perform the realty service contract, causing personal and property safety damage to the owner, and shall bear corresponding legal responsibilities according to law.