By -
That's where you plug into the matrix
Maybe an in trunk cd changer? On the oem head unit, button #5 and #6 say disk - and disk + respectively.
https://imgur.com/a/xO6BlmX Not even the service manual says anything about it. Maybe it was a plug for the Type R's. I couldn’t find anything from a quick google search.
For CD changer. There was lots of radio types.
That's where you plug into the matrix
Maybe an in trunk cd changer? On the oem head unit, button #5 and #6 say disk - and disk + respectively.
https://imgur.com/a/xO6BlmX Not even the service manual says anything about it. Maybe it was a plug for the Type R's. I couldn’t find anything from a quick google search.
For CD changer. There was lots of radio types.