UK Auto Repair Questions?
This may be normal for the vehicle. A lot of vehicles have the Instrument Cluster lights etc remain on after the vehicle is turned off and locked. These should turn off within a minute or so.
If they fail to turn off and are still on after 5 minutes this would indicate to me that you may have a problem with a Timer Module not shutting off these lights. The Timer Module maybe an individual module or maybe part of another module (e.g. BCM).
Hope this helps