Originally Posted by
Tedgrrrr
This button is not in the seat instructions!!!!!! - It's so mysterious. But out of 20+ trips, this button has NEVER worked on my seat!! How much comp am I entitled to?!

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And thank you both for letting me know what I've been missing out on

The "ss" marking is in fact more of a wave line "zz" . It activates the seat massage function. The problems I have are (a) the massage is suttle and does not really do much and (b) the function seems to switch off after just a short while.