The tuner will further help you by allowing connection of a steering wheel control stalk. Sure, it's not integrated dash controls, but it helps. (Maybe the SWiX thing needs the tuner to connect; I forget).
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FireFox31
110gig MKIIa (30+80), Eutronix lights, 32 meg stacked RAM, Filener orange gel lens, Greenlights Lit Buttons green set