Kia as a car manufacturer put a lot of great technical information and work shop manuals on line for free for Kia owners. www.kiatechinfo.com
If you can't find the information there There is a company that independent auto repair shops get their information from, this same information is available inexpensively for people that work on their own cars.. The information is year make and model specific, covering repair procedures, torque specifications, fluid capacities and specifications, service bulletins, component locations, wiring diagrams ect.... Alldata is very easy to navigate http://bit.ly/AllData_Repair_Manuals_Online
A/c cycling switch is not the proper term for the part (kind of no such part). If the part they are describing is in the pressurized air conditioning circuit, the system will have to be evacuated, the refrigerant stored, the switch replaced and the system recharged. Special equipment is needed, the system is under high pressure and injury could result if proper precautions are not taken during repairs.