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Tunnel Mode?

2344 Views 5 Replies 4 Participants Last post by  bmustaf
So I read about this (tunnel mode) feature on the "Interior Features" part of the MBUSA website. You press and hold the air recirc button and it closes all open windows and the sunroof. Anyone tried this? It doesn't work for me, this seems so stupid, but what the hell am I doing wrong?
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