A new software update for full-size GM trucks - the Chevy Silverado and GMC Sierra - is here, and it's required in order to receive future software updates. GM Authority's Alex Luft explains all in this video update. More details: https://gmauthority.com/blog/2025/12/you-need-this-chevy-silverado-gmc-sierra-software-update/ #chevytrucks #chevy #chevysilverado #chevynation #GMC #gmctrucks #gmcdenali #GeneralMotors | GM Authority

GM recently released a software update for the Chevrolet Silverado and GMC Sierra. Dubbed N25-250520, the update adds an interesting feature to the trucks’ HVAC functionality. More details here: https://gmauthority.com/blog/2025/05/chevy-silverado-gmc-sierra-ota-software-update-n25-250520 #chevy #gmtrucks #silverado #Sierra #ChevyTrucks #gmtrucks | GM Authority