First you need a special position unlocking tool 9827
- Insert the first unlocking tool over the third disc from below, fit it at the outside and guide the hook through the opening and onto the metal clips. Insert the second unlocking tool under the first disc from above, fit it at the inside and guide the hook through the opening and onto the metal clips.
- Release air vent.
- Release the air vent by turning both tools to the left and pull it towards the rear.
- Disconnect plug connection.
- Disconnecting plug connection
Or you can watch this clip that someone else made http://youtu.be/9rado6bQcJo?t=47s
