Thank you for replying. What you said worked. Just to be clear:- The two wires that you cut come from the steering wheel controls to the back of the factory head unit plug. You earth one of the wires to chassis. You connect the other wire to the...

The 2 above pics, top one shows which 2 wires cut from the steering wheel. Meter between them and the resistance will change with each steering wheel button. The second shows one of the above wires to earth and the other to the input on the...

Use either 1 or 2, from memory it's the resistance to earth. May need to earth one in the loom. I can check tonite. Then there is a menu to learn what function is what. Can use long press for different functionality.

Any wheel balancing weights come off? All the relevant bolts tightened up with the car on the floor, may be worth a double check they are tight.