Hello all I read somewhere that a late spec (chrome knob) climate control unit would not work in an early (2004) car. Is this true? I converted my car to double din today for my RNS-E, and thought I would try a late spec single din control unit I had lying about. It appears to be working ok? Anyone have any information on this? Have I been misinformed, or have I just not noticed something not operating properly? Or perhaps there are different versions of the facelift climate unit? Would be interested to hear your views, Thanks.