Instantly check your software build numbers to see if you are eligible for dealer firmware updates or TomTom map refreshes.
Unlocking the Hidden Tech: The Ultimate Guide to the Peugeot 308 Secret Menu peugeot 308 secret menu
the physical "MENU" or "SRC" button (usually for 5–10 seconds). Instantly check your software build numbers to see
The methods discussed herein apply primarily to: and French auto forums)
This is the most reliable method for accessing diagnostic information on the T9 platform.
While access is restricted to keep users from accidentally breaking critical operating system files, several informational screens are highly useful for owners and DIY mechanics:
After analyzing hundreds of forum posts (Peugeot Forums, Reddit r/peugeot, and French auto forums), here are the top three "secret menu" tricks that actually help 308 owners.