Never attempt to navigate these menus while driving. Most modern Peugeot Connect
The Peugeot 308 is packed with advanced infotainment technology. Many drivers do not know that the system contains a hidden diagnostic menu. This secret menu allows you to view raw system data, test hardware components, and check software versions.
The newest Peugeot 308 with the i-Connect Advanced system is more locked down. Peugeot has hidden the engineering menu deeper due to cybersecurity concerns (GDPR and UN R155 vehicle regulations). peugeot 308 secret menu
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.
While it is mostly read-only, it gives owners an unprecedented look under the digital hood of their vehicle. How to Access the Secret Menu (By Generation & Unit) Never attempt to navigate these menus while driving
Tap the screen with three fingers simultaneously to quickly jump to the Bluetooth/Phone menu .
unlock "Spy Mode" or "Expert Mode," revealing advanced system logs. Touchscreen Diagnostics This secret menu allows you to view raw
: This menu will not unlock extra engine horsepower, modify ambient lighting colors, or enable wireless Apple CarPlay if your hardware does not support it.