Peugeot 308 Secret Menu May 2026

If your Peugeot 308’s screen freezes, your radio loses stations, or your reverse camera is intermittent, the secret menu is the first place you should go. It will tell you immediately if the problem is a loose wire (signal drops to zero) or a software glitch (RAM value maxed out).

Before you poke around, take a photo of your screen's current settings. If you accidentally change a value, you can set it back to what it was. peugeot 308 secret menu

Car enthusiasts and technicians call this the —also known as the Dealer Diagnostic Menu or Engineering Mode. If your Peugeot 308’s screen freezes, your radio