rns510

hi does anyone know how to get rear speakers working linked to rns 510. any help welcome cheers

Hello! I've got a rather old RNS 510, and foolishly didn't check all software versions before I purchased an OEM low-line reversing camera. I've plugged it in, coded my head unit with VCDS (including OPS, so coding os done ok), the camera screen comes on when I switch into reverse, but I get a...