nwaring Posted March 20, 2011 Report Share Posted March 20, 2011 (edited) My wife just got a '11 Mainstreet AWD and according to the window sticker we have the Customer Preferred Group 28E. In this group is the 8.4 touch screen, 6 Infinity speakers with subwoofer and a 368 watt amp. Where is this stuff located inside the car? I'm not really impressed with the overall sound and can't find where to do any adjustment for the sub on the 8.4 screen so I'm wondering if it is really installed. We will ask the dealer but I thought I would try here first. Thanks Edited March 21, 2011 by nwaring Quote Link to comment Share on other sites More sharing options...
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