RepairPal Certified shops can diagnose and repair your 2006 Kia Sorento. 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
Try calling Kia North America customer service 800 - 333 - 4KIA (4542)