What paperwork and steps are required for transferring a car between private parties in Thailand?

To transfer a car from one private party to another in Thailand, both parties should complete the necessary paperwork at the Department of Land Transport (DLT). It's recommended that both individuals attend the DLT together, bringing their passports, ID cards, and a certificate of residence. Additionally, two signed copies of all documents are required. Ensure to sign in the designated areas on the forms and consider taking extra copies home.