this is one of the reasons i have that smart module fitted on mine. gaptech is it called?Tumnus wrote: ↑Tue May 09, 2017 12:00 pmMy buttons were the same, I think it's either an alcohol based hand cleaner, or some sort of hand moisturiser on the previous owner's hands that has damaged the buttons. The roof buttons are always going to be susceptible to this as you have to hold your finger on them for a while.
i can open / close the roof by pressing and holding the button for 1 second then letting go. or by using the key remote.