Tiptronic Downshift Button on Steering Wheel -E439- /Tiptronic Upshift Button on Steering Wheel -E438-, REMOVING AND INSTALLING: Removing
-- Remove the decorative trim with the multifunction buttons, refer to RIGHT/LEFT MULTIFUNCTION BUTTONS ON STEERING WHEEL -E441- / -E440-, REMOVING AND INSTALLING .
-- Remove the bolt -2- on the steering wheel -1- and remove the tiptronic switch -3- with connector cable to the rear.