How do you get the locking wheel nuts off a Citroen Picasso?

Go to www .locking wheel nuts and they will remove all four in less than 10 minutes.Use the key that came with the locking wheel nuts. If you have lost the key there is one option that doesn't involve taking it to a shop. It's called a lockin wheel nut remover. It has pins inside a socket like device that will fit onto any shape lock. Costs about 20 bucks.