1. Disconnect the diagnostic tool. 2. Put the driver's window down, lift the bonnet and ensure all equipment is switched off. 3. Ensure all doors are closed and remove key from the ignition. 4. Wait for 3 minutes, disconnect the vehicle battery and wait 15 seconds. 5. Reconnect the vehicle battery, wait a further 10 seconds (do not open doors.) 6. BSI reset is the same for any car you turn EVERYTHING off wait till the BSI goes to sleep the 3 minute thing. You then disconnect the battery then wait ANOTHER 3 MINS Reconnect battery wait ANOTHER 3 mins then start car. iXwi.

peugeot 407 bsi reset procedure