TSB: REVISION NOTICE October 11, 2017 Rev2: ? The Required Tools & Equipment section has been updated to include a NEW USB drive map update. SUPERSESSION NOTICE The information contained in this bulletin supersedes SB No. T-SB-0006-13. Toyota models equipped with the Premium HDD Navigation (AVN/AW-EMV) system will periodically require an update to the Gracenote® database. Gracenote® includes detailed information for songs (genre, artist, song title, album name, etc.). The Gracenote® update will be included on the USB Drive Navigation Map Update SST. A Gracenote® update MUST be performed BEFORE a Navigation Map update. A Navigation Map update is NOT required to complete the Gracenote® update.