Peugeot 308 Secret Menu ((link)) <Must See>

: Turn on the ignition or start the engine to power the infotainment system.

Depending on the model year (2013–2021 for the T9 generation, or the 2021+ P5 generation), accessing this menu reveals data ranging from GPS satellite lock status to individual speaker tests and even video playback settings. peugeot 308 secret menu