308 Secret Menu — Peugeot

To access the on a Peugeot 308 (typically models with the SMEG or NAC infotainment systems), you can follow these steps to reveal hidden diagnostic data and system settings. How to Access the Hidden Menu

The Peugeot 308 is packed with advanced electronics, but many of its most useful features are hidden away in the "secret menu" or Service Mode. Whether you are driving the classic first-generation T7, the popular T9, or the latest hybrid models, these hidden screens allow you to check battery health, view real-time engine data, and troubleshoot sensor issues without a diagnostic tool. Accessing the Peugeot 308 Secret Menu peugeot 308 secret menu

Wait for the 10-second countdown to finish before releasing the button. 3. Quick System Reboot (For Frozen Screens) To access the on a Peugeot 308 (typically