I fitted an OEM Satnav to replace the standard single CD headunit.

Question do I need to modify the CIM settings to get the voice commands working I know I will need to modify the mic wiring.

I fitted it and have tech2ed the headunit works but nut nothing happens when I press the Touch to Speak button on the steering wheel thats why I think I may need to modify the CIM settings. If so anyone here a tech2 guru who could give me advice on the proceedure.

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