This update is available in the link below that upgrades the software in this sound system to eliminate problems that owners have been encountering. Follow the prompts to the "advanced audio system" on the lower right of the screen to download the latest update for your system.
Here is the link... Advanced Audio System by Harman/Kardon | Harley-Davidson USA
Here is the link... Advanced Audio System by Harman/Kardon | Harley-Davidson USA