Stereo Remote control issues

[jonititan]

I'm having fun and games with my Berlingo.

Got a nice new Sony MEX-N4100BT stereo.

I purchased this adaptor so that the steering remote control stalk (OEM) would work with the new radio.
https://www.amazon.co.uk/gp/product/B006...UTF8&psc=1

All installed fine and radio works etc but i've run into a little fun and games getting the steering wheel control stalk set up.

I attempted to map the controls but only src, seek+, and vol+ registered and work.  Seek- and vol- gave an error when I attempted to register them.
I tried doing it the other way around and it appears I if register seek+ it will error when I try to register seek- and the same with vol+/vol-

One data point is that the adaptor says STK 613 on it and not T1-CTSCT002-SONY
   
It's possible this is something T1 audio came up with.  Possibly as a clone of the Connects2 CTSCT002 in which case I have fallen for their trick.

Any ideas?

[jonititan]

Weirdly after fiddling with the settings I got it working. Just needed to select user on the steering menu