[Whyman]

Yes you need to use the blue or green “thingy” to realign the inner section.

The problem comes from removing the plug from the socket before you have fully rotated it. If you look at the plug straight on the lug inside with the pins should be at 90 degrees to the flat piece on the outside. If it isn’t then you will not be able to reinsert.

I always keep a blue thingy in my boot just in case.

You can also fit it over the plug to keep the pins clean and dry.