i'm thinking of updating my nav with the 2010 GM nav update, but the problem is that i dont know if my head up display will not work with it, does anybody have any ideas about this.
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i'm thinking of updating my nav with the 2010 GM nav update, but the problem is that i dont know if my head up display will not work with it, does anybody have any ideas about this.
yeah i know, i have it already have the stock nav. my only question is if the functions of the stock nav hud will work with the updated disk.
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