Whether you are a DIY mechanic, a car audio enthusiast, or just a curious VW owner, the hidden menu transforms your RNS 315 from a simple radio into a full diagnostic tool. Just remember: with great power comes great responsibility—and the potential for a very expensive brick.
: Most features in this menu are "read-only." If your unit does not enter the menu after holding the button, the "Testmode" may need to be enabled first via a VCDS (VAG-COM) diagnostic tool. If you'd like to go further, I can help you with: update your firmware Explaining how to use to unlock the menu permanently. Identifying if you have an RNS 315 or an RNS 510 (they look very similar!). to enable this feature? rns 315 hidden menu
The hidden menu gives you access to the function. You can update the firmware (the operating system) via a CD or SD card. Whether you are a DIY mechanic, a car