The 2024 GMC Sierra HD is included in a new customer satisfaction program issued by General Motors, which includes a fix for a problem that can cause intermittent loss of trailer brake function in ...

GM has issued a service bulletin for certain units of the GMC Sierra, GMC Yukon and GMC Hummer EV due to an issue with the brake control switch. The problem: affected vehicles equipped with the ...

On any grade of 5 percent or more, Hill Start Assist automatically engages the GMC Sierra’s brakes for 1.5 seconds or until the gas pedal is pressed. This keeps the truck from rolling rearward and ...

It’s imperative to have a trailer brake controller when towing a trailer that has electric or electric over hydraulic brakes. In most states, an adjustable trailer brake controller is required when ...

Image source: General Motors Co. Wouldn’t it be nice if a pickup truck stopped in the same distance even when it is towing a hefty trailer? That was the notion behind a GMC engineering plan to ...