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Old 12-26-2012, 11:19 PM   #64
The Jiveman
Registered User
Join Date: May 2006
Location: Boston, MA, USA
Posts: 707
My Ride: 2000 BMW 323i
I'm not sure about your HU being too old or not. But what did occur to me is to tell you about making sure to have something "active" plugged into AUX input (iPhone, iPod, mp3 player, whatever) before you try to switch to it. The AUX is auto-sensing, so if you don't have anything actually plugged in, the mode button won't switch to it.

Just in case you haven't tried that...
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