But what exactly is this secret menu? Is it safe to use? And what can you actually do once you’re inside?
One of the most common "secret" maintenance tasks is resetting the service light after an oil change. The procedure for the Peugeot 308 involves no menus but a specific sequence of physical button presses on the instrument cluster.
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.
Disclaimer: This document is for informational purposes only. Accessing engineering menus may void warranty or cause system instability. The author assumes no liability for unintended configuration changes.
Access methods, functionality, and risks of the dealer diagnostic/hidden menu on Peugeot 308 vehicles (Focus on T9 Generation 2013–Present).
unless you know exactly what they do, as changing system parameters blindly can glitch your navigation, audio balance, or infotainment operating system.
⭐ One of the most practical uses for the secret menu is checking the battery’s health. If your Stop-Start system isn't working, it’s often because the voltage is too low. The hidden menu shows the exact voltage the alternator is providing.
But what exactly is this secret menu? Is it safe to use? And what can you actually do once you’re inside?
One of the most common "secret" maintenance tasks is resetting the service light after an oil change. The procedure for the Peugeot 308 involves no menus but a specific sequence of physical button presses on the instrument cluster. peugeot 308 secret menu
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. But what exactly is this secret menu
Disclaimer: This document is for informational purposes only. Accessing engineering menus may void warranty or cause system instability. The author assumes no liability for unintended configuration changes. One of the most common "secret" maintenance tasks
Access methods, functionality, and risks of the dealer diagnostic/hidden menu on Peugeot 308 vehicles (Focus on T9 Generation 2013–Present).
unless you know exactly what they do, as changing system parameters blindly can glitch your navigation, audio balance, or infotainment operating system.
⭐ One of the most practical uses for the secret menu is checking the battery’s health. If your Stop-Start system isn't working, it’s often because the voltage is too low. The hidden menu shows the exact voltage the alternator is providing.