My wife's car is a 2009 s40 base model with power seat but without the lumbar support. I would like to upgrade to a seat with lumbar, but I am unsure of a couple things.

1) does anyone know if the wiring for the air pump to the lumbar bladder is already present since I have power driver seat?

2). If the wiring is there, What model S40 seats will I need to look for to gain the lumbar support.

Thx, Eddie.