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2020 nav map upgrade

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  1. Audio, Video & Nav
    Bought the 2020 upgrade, from the GMC promo email. It’s junk. They opened 23 miles of highway in Greater Phoenix, 4 lanes East and 4 lanes west, so it’s 8 lanes of major highway last December, is it in the upgrade for 2020? Nope. Just wasted $99... It’s not an actual 2020 update, so unless...
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