It is recommended that the "Secret Menu" only be accessed for diagnostic purposes (checking software versions or GPS lock) or by authorized personnel. Owners seeking to update firmware or modify configurations should utilize the official diagnostic tools rather than the touchscreen gesture menu to minimize the risk of system failure.
Test display colors, screen response, and audio output channels directly through mapped engineering tests. peugeot 308 secret menu
: Often used to view specific diagnostic screens after an initial code has been entered. Available Information Once inside, the menu typically allows you to view: System Information : Exact firmware and map versions. It is recommended that the "Secret Menu" only