You are currently viewing GMC.com (United States). Close this window to stay here or choose another country to see vehicles and services specific to your location.

STORAGE, DOORS AND WINDOWS

Learn about features that facilitate storage, truck-bed utility, and vehicle entry and exit. Information on windshield wipers, convertible tops and sunroofs is also provided.


HOW CAN WE HELP?

HOW TO USE YOUR HANDS-FREE POWER LIFTGATE 

Opening instructions and how to adjust how high it will rise. 

READ ABOUT THE HANDS-FREE POWER LIFTGATE

HOW TO USE THE AUTOSENSE LIFTGATE

Open liftgate by approaching the rear of the vehicle with key fob.

READ ABOUT OPERATING THE AUTOSENSE LIFTGATE

HOW TO OPERATE YOUR TAILGATE

Details and operation instructions for each of the available tailgate designs.

READ ABOUT THE TAILGATE

HOW TO USE THE ETRUNK™ & POWER HOOD

Convenient storage compartment accessible under the power hood for your groceries, gear and more.

READ ABOUT THE ETRUNK™ & POWER HOOD

HOW TO USE THE INFINITY ROOF WITH MODULAR SKY PANELS

Remove, store and reattach roof panels, and front I-Bar, for an open-air experience.

READ ABOUT THE INFINITY ROOF WITH MODULAR SKY PANELS

TROUBLESHOOTING THE GMC HUMMER EV POWER TONNEAU

What to do if your power tonneau cover is not opening or closing properly.

READ ABOUT THE POWER TONNEAU ELECTRIC ROLLER COVER

HOW TO USE THE POWER SWING GATE

Operate the driver’s side swing gate to access your vehicle’s rear cargo space.

READ ABOUT THE POWER SWING GATE

HOW TO OPERATE THE MULTIPRO MIDGATE

Learn how to operate the MultiPro Midgate to extend your truck bed’s cargo space into the cab.

READ ABOUT MULTIPRO MIDGATE OPERATION

NEED MORE HELP OR HAVE FEEDBACK?

Communicate with one of our specialists.