How do you replace the indicator relay on Peugeot 406?

To replace the indicator relay on a Peugeot 406, first, locate the relay, typically found in the fuse box under the dashboard or in the engine compartment. Remove the cover of the fuse box, identify the indicator relay (usually marked on the diagram), and gently pull it out. Insert the new relay in the same slot, ensuring it is seated properly. Finally, test the indicators to confirm they are functioning correctly.