Unlock access to advanced vehicle diagnostics, system information, and hidden settings on your Peugeot 308 by leveraging the infotainment system's built-in hidden menus.
This will trigger the "Expert Mode" or "Spy Mode," showcasing advanced internal logs and system parameters. What Can You Do in the Peugeot 308 Secret Menu?
Instantly check your software build numbers to see if you are eligible for dealer firmware updates or TomTom map refreshes. peugeot 308 secret menu
While access is restricted to keep users from accidentally breaking critical operating system files, several informational screens are highly useful for owners and DIY mechanics:
Whether you drive an early model or a second-generation (T9) variant with the SMEG or NAC touchscreen, these hidden engineering screens allow you to monitor GPS satellites, verify exact firmware versions, and run system tests without specialized OBD2 scanners. Instantly check your software build numbers to see
Stick to reading data rather than attempting to force-toggle settings that could conflict with your vehicle's physical BSI computer configuration. The Alternative: Full Feature Unlocks via OBD2
For those advanced modifications, you will need to bypass the screen altogether: The Alternative: Full Feature Unlocks via OBD2 For
Release the button when the screen changes to display the hidden service menu. How to Access "Expert Mode" on Later Touchscreens (2017+)