Peugeot 308 Secret Menu Link
The methods discussed herein apply primarily to:
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.
Yes, for diagnostics. 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. peugeot 308 secret menu
No, for "tweaking." 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.
You might be wondering: Why bother with this menu if I have an OBD2 scanner? The methods discussed herein apply primarily to:
| Feature | OBD2 Scanner (ELM327) | Peugeot 308 Secret Menu | | :--- | :--- | :--- | | Engine Fault Codes | Yes | Yes (Basic) | | ABS / Airbag Codes | Expensive models only | No (Menu only shows infotainment/BSI) | | Screen Calibration | No | Yes | | GPS Signal Strength | No | Yes | | Radio Antenna Test | No | Yes | | Real-Time Battery Voltage | Yes (with ignition on) | Yes (with ignition off) |
Verdict: The secret menu is better for infotainment and electrical problems. OBD2 is better for engine and safety system faults. Use both. It should be noted that earlier models (308
What to expect: The screen will flicker. Ignore the normal settings menu. After a long press, the screen will switch to a dark green or blue text-based menu with technical terms.
Title: Unlocking the Vehicle Interface: A Technical Analysis of the Peugeot 308 Hidden Diagnostic Menu
Author: [Generated AI / Research Assistant] Date: [Current Date] Subject: Automotive Infotainment Systems & User-Level Diagnostics