01-01-2017, 10:17 PM
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#4
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PC Technician
Drives: 2016 Hyper Blue 2SS
Join Date: May 2012
Location: North Dakota
Posts: 2,161
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Yep, it's really the only downside to factory nav. It looks like you can do it yourself though.
http://gmnavdisc.navigation.com/prod...en_US/GMNA/USD
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