RepairPal Certified shops can diagnose and repair your 2000 Kia Sephia. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
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
Or http://www.carstereohelp.com/strkia.htm