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

A new software update N25-250403 is rolling out for the Chevy Silverado and GMC Sierra, bringing two improvements to the full-size GM trucks. See the details here at GM Authority. #chevytrucks #chevy #chevysilverado #GMCTrucks #GMC #gmcsierra1500 #GMAuthority #gmtrucks | GM Authority