TSB: Some 2017 ? 2018 model year Prius Prime vehicles equipped with Premium Audio (R10A5430) or earlier may exhibit one or more of the following conditions. Updated multimedia software is now available to address these conditions. Follow the Multimedia Software Update Procedure in this bulletin to install the latest software version.? No iPod® connection when connecting via USB ? Intermittent rebooting when connecting/disconnecting the iPod® USB ? Intermittent error screen when connecting/disconnecting the iPod® USB ? Navigation screen is locked after ACC/ON ? Internet radio is inoperative after connecting/disconnecting the iPod® USB ? Screen flick operation updates ? Navigation voice guidance is intermittently in the wrong language ? Audio does not mute when using Siri® Eyes Free ? Hands-free call is disconnected when another call is received? Voice cannot be heard for several seconds on the handset after the navigation unit is turned off? Sound settings reset after ACC OFF/ON? Volume control intermittently inoperative? Unable to switch between audio modes? Ending video playback concerns? Intermittent rebooting? Unable to connect to an Apple® device via USB? Navigation map inoperative after software update? Navigation map does not display? Screen will not dim? Abnormal operation after using Siri® Eyes Free? Abnormal operation when using BT Audio? My Car Log does not show mileage? Flickering screen? CAN date/time shift? Intermittent sound from JBL equipped vehicles? Backup camera stays on? Abnormal noise when during ACC ON? Cannot change songs when playing PANDORA®? Intermittent black screen? Intermittent rebooting? Delay when using navigation? Intermittently Rebooting? Intermittent screen flashing? Intermittent screen going blank? Abnormal phone touch tone operation during Apple CarPlay® (if equipped)? Sound settings intermittently reset? Unable to switch audio modes
