Auto-repositioning; the external force could not change the sway arm position when it is vertical; when the sway arm is forced to a horizontal position, it will reposition vertically, unless the user uses remote control to put it horizontally.
Emergency manual: Manual operation is available when the parking lock happens to fail or have no electricity.
Resilience: When received outside force, it conceds some distance. It repositions when the vehicle leaves to prevent extra vehicles to damage the berth lock.
When you have removed your car from your parking space, simply manually raise up the parking lock and lock again with your padlock and key. While your parking barrier or parking bollard is raised, no one can park in your parking space.