Peugeot 308 Secret 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

Enable navigation demo modes for testing purposes. Safety and Customization Tips

Unlocking the Peugeot 308 Secret Menu: A Guide for Owners Peugeot 308 peugeot 308 secret menu

Select "Sensors."

If you’re ever unsure, the Peugeot 308 owner's manual remains your primary and safest guide for all vehicle functions. It's always best to consult the official documentation before attempting any advanced procedures, as firmware and access codes can change between model years and regions. The Peugeot 308 is packed with advanced electronics,

This is the most reliable method for accessing diagnostic information on the T9 platform.

While the secret menu can be useful, certain restrictions apply: Safety and Customization Tips Unlocking the Peugeot 308

the physical "MENU" or "SRC" button (usually for 5–10 seconds).

The triggering sequence relies on a sustained physical interaction with the infotainment fascia or display glass. 1. For SMEG and SMEG+ Systems (Most Common T9 Models)