| Feature Category | Specific Functions | | :--- | :--- | | | DTC (Diagnostic Trouble Code) clearing, sensor status check, GPS satellite lock status, microphone input test. | | Display | Screen calibration, touch input sensitivity adjustment, contrast/brightness factory reset. | | Vehicle Config | Tire pressure monitoring system (TPMS) reset logic, lighting configuration (verify Xenon/Halogen settings). | | System Info | Firmware version verification, Navigation map version, VIN confirmation, Software update status. | | Radio/Audio | Radio frequency spectrum analyzer, signal strength monitoring. |
Once you access this mode, you may be prompted to enter a passcode. Known codes include:
Forces immediate display of system variant, core kernel, and hardware component versions. NAV_BLACK_BOX
Depending on your model year, your car features one of two main infotainment layouts: the legacy found in first-generation and facelifted models (up to 2017–2018), or the newer NAC/RCC system utilized in modern variations. Unlocking these modes requires specific combinations of continuous button presses or text cheat codes entered directly into the dashboard. How to Access the Secret Menu by Generation 1. The SMEG Infotainment System (Pre-2018 Models)
For later models equipped with NAC or RCC infotainment, the secret menu is called "Engineering Mode."
: Press and hold the physical SETUP button on the console.
Once you bypass the standard user interface, you will find several diagnostic modules. System Architecture & Firmware Verification
: To view raw satellite data and firmware data, press and hold the SRC/Menu button or the Navigation icon/button firmly for 5 to 10 seconds.
While the secret menu is useful for diagnostics, Peugeot also offers standard customization features for safer everyday use: Peugeot 308 Secret Menu
If you’ve performed your own oil change and need to clear the wrench symbol, you can do it via a physical sequence rather than the touchscreen. Turn the ignition Press and hold the Trip Reset button
🛠️ Step-by-Step Instructions by Infotainment Generation
Toggles a simulated navigation testing script, allowing the maps to fake route guidance for trade show demonstrations. TAB_LUM_CALIBRATION
Displays detailed software and hardware versions of your infotainment system. Map Data: Shows the version of your navigation maps.