Thanks, I'm familiar with the thread, but there's nothing wrong with the volume per se, there just isn't any from the rear speakers.
Thanks Ian, I'm under the impression, he married everything up, but possibly has plugged something in incorrectly! I'm tempted to have a quick look myself, but don't want to mess around for fitter to say he's not at fault cos I've interfered with the wiring/unit!
Hope all goes well with your fitting, appreciate any feedback you may have
The unit is good and the sound from the front is good, the mirrorlink feature is really good, I'm really pleased with it, will be over the moon when it's all up and running properly