Originally Posted by luan87us
I believe the newer NAV unit doesn't use that 24pin adapter. I could be wrong here. Plus I have the Premium WRX so it should be Nav ready. I'm not sure about the Antena though. I need some more insight on that.
looks like it uses a 28pin adapter
i would be suprised if you had a GPS antenna, you might have the wiring so it can plug in, but i don't know why they would install it in a vehicle that doesn't have it ordered as it would be a tremendous cost over all the cars.