How do you change speedometer light on citreon Picasso?

To change the speedometer light on a Citroën Picasso, first, disconnect the car battery for safety. Remove the dashboard panel by unscrewing any screws and gently prying it off. Locate the speedometer cluster, then carefully detach it to access the bulb holders. Replace the burnt-out bulb with a new one, reassemble the cluster and dashboard, and reconnect the battery.