Tiptronic Downshift Button On Steering Wheel -E439- /Tiptronic Upshift Button On Steering Wheel -E438-, REMOVING AND INSTALLING: Removing
-- Remove the guide ring with the multifunction buttons. Refer to Right Multifunction Buttons On Steering Wheel -E441- /Left Multifunction Buttons On Steering Wheel -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.