Cayman (987) F6-2.9L (2009)
1. Remove the two tie-wraps -1-.
2. Pull off the two hoses for the air cushion for backrest -2- at the branch piece -3-.
3. Push out the pins -2- on the two expanding clips -1- (-arrow A-) and remove the expanding clips -1-.
4. Remove air cushion for backrest -3- (-arrow C-).
5. Pull air cushion for backrest -1- together with the hose out of the backrest frame.