Peugeot 308 Secret Menu

Dialing out resonant frequencies in aftermarket speakers or fine-tuning the stock system for high-resolution audio.

Forces a complete restart of the infotainment system if the screen freezes while driving.

The secret menu is touch-responsive in the same way as the standard interface. Use:

The Peugeot 308 is lauded for its sleek design, efficient engines, and modern technology. However, hidden beneath its user-friendly interface is a "secret menu" or that many owners are unaware of. Whether you are a tech-savvy driver wanting to monitor system performance or looking to troubleshoot, knowing how to access this menu can be invaluable.

If your Peugeot 308 prompts you for a specific code after holding down the settings button, you can use these well-documented enthusiast codes to unlock hidden functions: Opens the advanced hardware diagnostic page. peugeot 308 secret menu

If your 308 features the early touchscreen interface with physical touch-shortcut buttons flanking the screen, you are running a SMEG system.

Activates the core navigation black box tracker to dump log files directly onto an attached flash drive. SPY_ENA

: Can be used in conjunction with other codes to check ATB status (connected services).

Alternatively, press and hold the physical piano key button for 10 seconds. Dialing out resonant frequencies in aftermarket speakers or

Press and hold the toggle button (usually the first or second key from the left) for 10 seconds.

Method 1: The SMEG / SMEG+ Systems (Roughly 2013–2017 Models)

Once inside, you will see a list of sub-menus. Navigating them requires caution, as modifying factory parameters can disrupt system performance. 1. System Information (Versions)

: Displays advanced Bluetooth signal strength and module data. Use: The Peugeot 308 is lauded for its

Once you bypass the standard user interface, you will find several diagnostic modules. System Architecture & Firmware Verification

On some NAC systems, pressing all three fingers on the screen simultaneously or holding the "Music/Radio" icon while accessing the map can also reveal hidden, deeper technical settings. Key Diagnostic Features in the Secret Menu

When you first turn the key, you see the Peugeot lion and then your speed. But there is a hidden self-test mode.

While it won't completely replace a dedicated OBD2 engine code reader, the secret menu displays communication errors between the screen, the radio module, and the central BSI (Body Systems Interface) computer. Safety and Risks: A Word of Caution

When prompted by a password or numeric pad on the screen, input a factory engineering code. Common developer passcodes include: 1130 (For general engineering diagnostics) 1111 (System performance overview) 1122 (Display alignment and pixel validation) 4. For Older RT6 / WipNav Units