It should be noted that earlier models (308 I with RT6/MyWay systems) and the latest 308 III (i-Cockpit with Android Automotive OS) utilize different architectures, though similar engineering principles apply. The specific "three-button" method described below is characteristic of the PSA (Stellantis) T9 era.
Detailed software and hardware versions of the head unit.
Locate the physical MENU button (or the gear icon depending on the exact console layout). peugeot 308 secret menu
Once accessed, the hidden interface breaks away from standard user controls to display structural technical readouts split into distinct menus.
The engineering menu allows for changes to vehicle configuration that could cause systems to malfunction. It should be noted that earlier models (308
Whether you drive an early model or a second-generation (T9) variant with the SMEG or NAC touchscreen, these hidden engineering screens allow you to monitor GPS satellites, verify exact firmware versions, and run system tests without specialized OBD2 scanners.
The Peugeot 308 secret menu offers a range of features and customization options for drivers. While it provides several advantages, it is essential to exercise caution when accessing and modifying settings to avoid potential risks. By understanding the secret menu and its features, Peugeot 308 owners can unlock the full potential of their vehicle and enhance their driving experience. Locate the physical MENU button (or the gear
To access the "secret" or hidden menus on a Peugeot 308 , the method depends on whether your car has the older system (typically 2013–2017) or the newer NAC system (2017 onwards) . 🛠️ How to Access Hidden Menus For SMEG Systems (Older Models) Turn on the ignition and wait for the system to boot up. Press and hold the MENU button for about 5–10 seconds.
Press and hold the for four seconds. A window will pop up asking for a four-digit code. Enter the code 1111 to access "Spy Mode" or "Expert Mode". WipNav / MyWay / RNEG Units: Press the "Setup" button.
You cannot disable Stop/Start via the normal menu on most 308s. However, inside the secret menu under "Electrical Parameters," there is a field called "Battery State of Charge."
Generates error logs directly to an attached USB flash drive, allowing tech-savvy owners to pinpoint UI crashes or Bluetooth dropouts.