Peugeot 308 Secret Menu ((link)) Guide

Locate the (Source) button or the Settings gear icon on the dashboard fascia.

The secret menu is a low-level diagnostic interface built into your infotainment system. It is primarily used by engineers during production and by dealership technicians to quickly verify system health.

This forces the system into "Component Test Mode."

Found primarily on Peugeot 308 T9 models manufactured between 2013 and early 2017. peugeot 308 secret menu

Unlocking the Vehicle Interface: A Technical Analysis of the Peugeot 308 Hidden Diagnostic Menu

The secret menu is a built-in engineering screen. It is also known as the "Expert Menu" or "Cheat Codes" screen. Peugeot technicians use this menu to troubleshoot infotainment issues without using external diagnostic tools. Why Access It?

Advanced Bluetooth debugging if pairing issues occur. Locate the (Source) button or the Settings gear

infotainment systems of earlier 308 models, these hidden diagnostic interfaces allow owners to peer into the digital heartbeat of their vehicle. Accessing the Interface

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

This is useful when you need to leave a pet (or a child) in the locked car and want to prevent the motion sensors from triggering the alarm. People have also used it to leave their car on car ferries. This forces the system into "Component Test Mode

Access calibration tools if the screen is unresponsive or inaccurate.

: Turn on the ignition and let the main infotainment system boot completely. Locate the physical MENU button (or the touch-sensitive Gear/Settings icon in the top right corner of the glass screen).

: Enters "Spy Mode" or "Expert Mode," which displays various system logs, hardware versions, and software details.

The is a hidden diagnostic portal built into your car’s infotainment system that unlocks advanced system information, real-time GPS coordinates, system logs, firmware data, and engineer-level configuration tools. Depending on whether your vehicle uses the older RT6 unit, the highly common SMEG / SMEG+ touchscreen system, or the newer Connect Nav setup, accessing these developer settings requires specific button combinations or PIN codes.