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2004 CTS
18 Posts
Discussion Starter · #1 ·
I have a 2004 CTS 3.6L w/Nav and I am trying to update the firmware. I want to do this quickly through my dealer but they are of course more interested in selling the most recent map, not updating firmware.

Also, my service center doesn't know WTH I am talking about.

Anyone who has the firmware update, would you tell me the label info.

Part number or just the title would help.

Best regards,
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