Owners of 2021 Chevrolet Silverado and GMC Sierra models with buggy infotainment systems that prevented the use of some system functions now have a fix. Technical Service Bulletin: #20-NA-221 Release Date: 12/14/2020 Last month we published an article regarding Technical Document #PIT5793, which described a condition where some 2021 Silverado and Sierra owners began to… Continue reading 2021 Silverado & Sierra Infotainment System Fix Now Available At Dealers
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