The Peugeot 308 features hidden menus that vary depending on your infotainment system (SMEG, NAC, or RCC) and the vehicle generation. These "secret" menus are primarily used for system diagnostics, checking software versions, and performing resets. 1. Service/Diagnostic Menu (SMEG & NAC Systems)
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.
If you are trying to read fault codes or execute a service light countdown reset, let me know: Hidden Menu - Peugeot Forums
Things you can safely do
- Read software versions and VIN.
- View live sensor values and DTCs.
- Reset service indicator after performing maintenance (only if maintenance done).
- Calibrate touchscreen if it’s misaligned.
- Run built-in tests (screen, speaker, sensor tests) that don’t alter settings.
Access methods vary depending on your car's generation and head unit type: NAC Systems (Modern i-Cockpit, 2017+): Press and hold the