Peugeot 308 Secret Menu ((free)) Link

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.

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If you have a physical volume knob:

Have you found a different combination that works on your Peugeot 308? Let us know in the comments below. Drive safe.

Here are representative items that owners commonly treat as “secret” adjustments—accessible, evocative, and often harmless when done thoughtfully: