Dialing out resonant frequencies in aftermarket speakers or fine-tuning the stock system for high-resolution audio.
Press and hold the SRC (Source) button or the Menu/Cog icon on the touchscreen for 5 to 10 seconds.
Unlock access to advanced vehicle diagnostics, system information, and hidden settings on your Peugeot 308 by leveraging the infotainment system's built-in hidden menus. peugeot 308 secret menu
Go to "Radio Info."
It is crucial to understand that while some "secret" functions are safe for owners to use, others are . Dialing out resonant frequencies in aftermarket speakers or
Changing the vehicle's "Configuration" file (e.g., telling the car it has a power tailgate when it does not) will throw permanent error codes that require a dealer-level Diagbox tool to clear.
Method 2: The RCC and NAC Systems (Second Generation, 2017–2021) Go to "Radio Info
: "Spy logs" that record system errors or performance.