TECHNICAL SERVICE BULLETIN: SERVICE ACTION: AVN 5.0W SOFTWARE UPDATE FOR Wi-Fi HOTSPOT FUNCTION (SA488) - This bulletin provides information to update the AVN 5 Wide software for the Wi-Fi Hotspot function on some 2022MY Carnival (KA4) vehicles, produced from January 15, 2021 through November 10, 2021. If the head unit displays the "UVO" icon instead of the "Data/Network" icon in the 'Setup' menu (shown below), then the software update is required.