Rear Parcel Shelf speakers not working (non-Bose)

[briang9]

Originally Posted by HPsauce

Thanks, what head unit do you have and do you know how it's coded?

mine is an RNS-D, not sure about the coding but I did change the NAV part of the unit for one that came from a BOSE car and had to have it recoded to get front speakers to work, no idea what codes are/were though, Richard (Psyche) did it for me at the time