Sign the back of the title where it is marked "Signature of Seller(s)."
Print your name on the back of the title where it reads "Hand Printed Name(s) of Seller(s)."
South Dakota requires a title to sell a vehicle. If your title is lost, a duplicate title can be obtained from the DMV.
http://dor.sd.gov/Motor_Vehicles/Titling_and_Registration/Titling_Motor_Vehicles.aspx
Last Updated 4/24/2019