
For now, just hold on the note along with the examples of her handwriting and document everything she does that seems remotely related to you and this situation. All you have right now is a note telling you to move your car that might (in the eyes of the law) be hers. You need to build more of a case of harassment otherwise both work and the complex isn’t going to do much about it. You can go ahead and send a copy of the note to the complex to document the incident though.