If the system becomes completely unresponsive, you can clear its internal cache memory by initiating a manual system reset. Look for a small pinhole labeled on the faceplate.
Clarion provides official support documentation through its global network. The primary method to obtain owner’s manuals is through the official “Support” pages. However, a crucial disclaimer exists: the official site does contain product manuals for every product Clarion sells. If a manual is unavailable for download, users are advised to contact Customer Service directly. Clarion Px-3994a-a Manual