The newer models use a different touch-based method.
For first-generation 308s (2007-2013) equipped with the older audio unit, the procedure is different. Access is generally gained by pressing and holding the physical "MENU" button on the radio control panel for an extended period. This will bring up a standard menu of options, including "Vehicle diagnostics" for reading basic fault codes. peugeot 308 secret menu
Remember: With great hidden menus comes great responsibility. Never change a setting you don’t understand, and always document the original state. Now go impress your fellow Peugeot owners—just don’t expect the dealer to applaud you for it. The newer models use a different touch-based method
: "Spy logs" that record system errors or performance. peugeot 308 secret menu