The menu often provides real-time voltage readings from the battery. This is a more accurate diagnostic tool for parasitic drain or alternator issues than the dashboard battery light, which is binary (on/off).
Once you reach the code entry screen, you can use these specific sequences to pull up different diagnostic information: : Bluetooth information (paired devices and history). 1133 : Radio/Tuner details (antenna strength, RDS quality). 1134 : Map and GPS data (satellite count, serial numbers). 1135 : TomTom version information. 1111 : Opens general expert/spy logs. 💡 Other Useful Shortcuts peugeot 308 secret menu
The "secret menu" of the Peugeot 308 represents a necessary bridge between the consumer-facing software and the engineering requirements of the vehicle. While PSA/Stellantis designs these interfaces to be hidden, their discovery by the enthusiast community provides a valuable tool for diagnostics and hardware maintenance. As vehicles become increasingly software-defined, the accessibility of such menus continues to shrink in favor of cloud-based diagnostics, making the documentation of these legacy access methods vital for the longevity of vehicles like the Peugeot 308. The menu often provides real-time voltage readings from
On some units, you can enter codes directly into the navigation search bar. For example, entering ##SPYLOG or ##NAVWP can trigger specific diagnostic functions or display waypoint details. 1133 : Radio/Tuner details (antenna strength, RDS quality)
Here are the precise instructions to unlock it, depending on the generation of your vehicle: 🎵 The "Piano Key" Method (Gen 2 / SMEG & RCC Systems)
This unlocks the , where you can view detailed GPS data, software versions, and system logs. 📟 The "Setup Button" Method (Older SMEG Systems)