you can get an adaptor from Renault, but the downside is it comes supplied with the Sony headunit and isn't available separately
But ....... they pointed me in the direction of a place local to me - Car Hi Fi in Longcroft by Bonnybridge Tel 01324 841888 - who can supply a lead for the job
To connect it to an Update list system the lead costs approx £120
but for the Tuner list system it's only £35 ...... RESULT
They'll need to order it and only require a small deposit to do so. I should have it in a few days
FamilyMPV ....... sorry for hijacking your post, but I hope all this banter helps you.