I have a 2004 a3, it has got a factory iPhone 4 cradle, factory steering wheel controlsand will connect via Bluetooth for calls on my android phone but not streaming music which I would prefer as the radio is very basic and the cd player is coming to the end of its usability.
I need a new head unit and want to keep the steering wheel controls. Do you have any info regarding all the wires I need to make it an easy switch out?
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