(a) A towing and storage firm, repair facility, or salvage dealer shall allow an owner of a vehicle to retrieve any personal property within a stored vehicle for up to 30 days from the date which notice was sent pursuant to Code Section 40-11-19. (b) Any personal property left in a vehicle after 30 days from the date on which notice was sent pursuant to Code Section 40-11-19 shall be considered abandoned. (c) For purposes of this Code section, the term “personal property” shall not include any items attached or affixed to the motor vehicle.