You can have the vehicles removed, but they're still the property of the ex. To have them removed:
Section 954A. A. In addition to any procedure provided by local ordinance, whenever the owner or legal possessor of real property or an authorized agent has reasonable cause to believe that a vehicle has been abandoned thereon, said vehicle having been on said property for a minimum of forty-eight (48) hours, or whenever a vehicle is left upon said real property without express or implied permission, such vehicle may be removed as provided in this section.
B. The owner, legal possessor or authorized agent may request any licensed wrecker or towing service within the county wherein the real property is located to remove the abandoned vehicle from the premises by signing a Tow Request and Authorization Form prescribed by the Department and furnished to licensed wrecker operators as hereinafter provided.
C. The Department shall design and promulgate a suitable Tow Request and Authorization Form to be completed in quadruplicate, containing space for the following information:
1. A description of the vehicle, including the type of vehicle, year of manufacture, name of the manufacturer, vehicle color or colors, identification number and license tag number;
2. The name, address and business telephone number of the wrecker or towing service;
3. The name, address and telephone number of the real property owner, legal possessor or authorized agent;
4. Inventory of personal property within the vehicle to be towed;
5. Time and date the form is completed; and
6. Signatures of the driver of the wrecker vehicle and of the owner, legal possessor or authorized agent of the real property.
The Department may require additional information on the Tow Request and Authorization Form.
D. The real property owner, legal possessor or authorized agent and the wrecker vehicle driver shall jointly, and each in the presence of the other, inventory personal property found within or upon the vehicle and each shall accordingly sign a statement on the form reflecting this requirement has been fulfilled. In the event an inventory cannot be completed, the reasons therefor shall be clearly stated on the form.
E. A copy of the completed Tow Request and Authorization Form shall be retained by the signatories and the wrecker or towing service shall maintain the wrecker vehicle driver's copy for not less than one (1) year, or longer if required by the Department. The wrecker or towing service shall forthwith send the completed original Tow Request and Authorization Form to the Department and the remaining copy of the completed form to the local police department of the municipality in which the real property is located, if any.