Peugeot 308 Secret Menu Today

Select "Vehicle Information" or "ECU Diagnosis."

It should be noted that earlier models (308 I with RT6/MyWay systems) and the latest 308 III (i-Cockpit with Android Automotive OS) utilize different architectures, though similar engineering principles apply. The specific "three-button" method described below is characteristic of the PSA (Stellantis) T9 era. peugeot 308 secret menu

| Action | Result | |--------|--------| | Hold Settings icon + press Phone 3x | Enter secret menu | | Steering wheel left roller | Scroll up/down | | Steering wheel OK | Select submenu | | Power button (10 sec) | Exit / reboot | Select "Vehicle Information" or "ECU Diagnosis

If your backup camera is flickering, your radio is buzzing, or your GPS thinks you are in the ocean, the secret menu is the first place to check. It will tell you if the hardware is failing. It will tell you if the hardware is failing

The most common method for the Peugeot 308 (SMEG or NAC touchscreen systems) is as follows:

Press the Start/Stop button once without touching the pedals to power the dash.