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Gary939

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  1. Hello everyone. I have spent a TON of time reading this thread and wanted to know if anyone has some advise for me. I bought a 2014 Sierra SLT in October (used) it had 40k miles on it. I have this radio problem and its driving me nuts. I drive 15 minutes to work and the HD will go in and out every 30 seconds. Will these updates be available to someone without a manufacture warranty? What was the update with the headlights and HVAC? I'm starting to wonder if I made the wrong choice.
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