How do you set your Peugeot 307 display unit to show how much fuel you have left?

To display the remaining fuel on your Peugeot 307, turn on the ignition without starting the engine. Use the trip computer button on the stalk or dashboard to cycle through the display options until you see the fuel gauge or the distance to empty. This should show you how much fuel you have left in the tank. If necessary, consult the owner's manual for specific instructions related to your model year.