How do you set clock on citroen jumper 2007?

To set the clock on a 2007 Citroen Jumper, turn the ignition to the "On" position without starting the engine. Press and hold the "Menu" button on the radio or dashboard until the display shows the time settings. Use the volume knob or the tuning buttons to adjust the hours and minutes, then confirm the settings by pressing the "Menu" button again. Finally, turn off the ignition to save your changes.