TSB - SERVICE ACTION: UVO 3.0 LOGIC IMPROVEMENT FOR BLACK SCREEN (SA366) - This bulletin provides the procedure to improve the logic of the UVO 3.0 (D-Audio) head unit on some 2018MY Stinger (CK) vehicles, produced from May 3, 2018 through June 5, 2018, and 2018-2019MY Niro Plug-in (DE PHEV) vehicles, produced from June 4, 2018 through November 25, 2018, which may exhibit a black screen after confirming the safety warning. Follow the procedure below to improve the logic of the UVO 3.0 head unit.