GM has released a new service update for the GMC Sierra HD related to an issue wherein power-retractable assist steps can reverse while deploying or stowing. The problem: certain units of the GMC ...
The 2021 GMC Sierra HD pickup trucks are now offered with power-retractable assist steps. They are black in color, with LED perimeter lighting, and have been assigned the RPO code B3L. Other features ...
Wireless phone charging, a factory-installed gooseneck/fifth-wheel trailer hitch and locking a tailgate with the key fob are all available features heavy-duty pickup truck buyers will find appealing ...
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