If you were the registered owner at the time the citation was issued, then you are responsible for the citation. If you continue to receive parking citations for this vehicle it is probably because the DMV still has your name on record as the legal owner.
In order to removed as the owner of this vehicle please visit the Department of Motor Vehicles and fill out a Release of Liability Form.
Once you have done so, you must also fill out a Declaration of Non-Ownership form, submit the documentation as listed on the form, and send it to the City of Cocoa Beach at the following address:
City of Cocoa Beach
Attn: Finance Department
Parking P.O. Box 322430
Cocoa Beach, FL 32932-2430
Declaration of Non-Ownership Form