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Diagnostic Menu of the Volkswagen RDC300 Radio

Model: Volkswagen Volkswagen Various
Part: Car stereo

Video tutorial

In this video, we will see how to access a small hidden diagnostic menu present on the Volkswagen RDC300 radio, which is still found in many models from the German manufacturer. Press and hold the menu button for a few seconds until you get the screen shown in the video, where you can see the current frequency, the level of frequency you are receiving at the moment, the name of the radio station, whether it is a station broadcasting in stereo, if it is a vehicle transmitting in RDS mode, and other useful information displayed on the screen.


Updated on 18 July 2026 by ScegliAuto


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by ScegliAuto

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