There are two white pins that snap into the body panel at the forward part of the lamp unit, Use a piece of blue strapping tape behind the light unit and move it forwards until it stops then pull outwards to pull the lamp from the body clips.
You will be pulling from the side of the car at a right angle to the car body.
It is helpful to use some masking tape to avoid scratching the body just apply it around the lamp edge and use a loose piece to stop the lamp unit falling once it is free.