Peugeot 308 Secret Menu Free Jun 2026
The exact method can vary based on your system's hardware, but a widely reported method is as follows:
For first-generation 308s (2007-2013) equipped with the older audio unit, the procedure is different. Access is generally gained by pressing and holding the physical "MENU" button on the radio control panel for an extended period. This will bring up a standard menu of options, including "Vehicle diagnostics" for reading basic fault codes.
button for several seconds while the ignition is on until the service menu appears. Expert Mode : On some versions, holding the peugeot 308 secret menu
A countdown timer starting from will track across the central odometer gauge area.
This guide explores how to unlock the hidden service menu, diagnostics, and other, lesser-known features across different generations of the Peugeot 308. The exact method can vary based on your
. This allows you to see the "wet" timing belt to check for cracking or swelling without dismantling the engine. Glovebox CD Player:
The secret menu is a built-in diagnostic interface embedded within the car's infotainment system (such as the RT6, SMEG, SMEG+, or NAC units). Manufacturers include these hidden screens so factory workers and dealership technicians can quickly verify that the screen, GPS, radio buttons, and internal computer systems are functioning perfectly before the car leaves the garage. button for several seconds while the ignition is
: View internal hardware temperatures to diagnose freezing screen issues.
Note: exact button sequences vary by year and infotainment generation (e.g., SMEG/RT6, SMEG+, MirrorScreen/Android Auto-capable units). The sequences below are widely reported, but may differ by model year.
For the enthusiast, the secret menu is a tool for empowerment. It allows owners to verify if their maps are truly up-to-date or to troubleshoot a flickering screen without an immediate trip to the mechanic. However, these menus also carry risks; certain "loading" or "reboot" options can temporarily disable the infotainment system if used incorrectly. Ultimately, the Peugeot 308's secret menu stands as a testament to the complex digital ecosystem of modern cars, offering a rare glimpse "under the hood" of the dashboard. update the firmware once you have accessed your system's version info? Hidden Menu - Peugeot Forums
: These codes are primarily for diagnostics. Changing settings here without expert knowledge can affect system stability. 3. New Peugeot 308 (2021+ i-Cockpit)