GMC Hummer EV SUV

Under full acceleration on flat, dry pavement, the vehicle suddenly pulls hard to the right or left without any steering input. The steering wheel does not move, but the vehicle abruptly changes direction, requiring immediate counter‑steering to avoid losing control. This happens every time under full acceleration and has been confirmed by two GMC dealers. GM Corporate states this is “normal,” but the behavior is unsafe and could cause a crash. Two GMC dealers reproduced the issue and…

While operating my 2024 GMC Hummer EV at a low speed in a school zone, I came to a complete stop at a stop sign and began making a left turn. As I initiated the turn, the steering wheel suddenly locked and became unresponsive. I was unable to turn the wheel back to the right or regain control of the vehicle’s direction. At the same time, the vehicle did not respond as expected when attempting to stop. Because I could not steer or properly control the vehicle, I collided with another vehicle.…

Charge port door on vehicle will not open regardless of what you do.

The frunk latch on the vehicle becomes faulty and does not recognize the hood being latched and secure when it is. While driving, the vehicle without warning will immediately limit speed to 26mph regardless of existing vehicle speed. This has occurred multiple times when driving on the highway with the vehicle immediately decelerating and then saying the hood (frunk) is open. This poses a serious danger to not only the occupants of the vehicle but also those around them on the highway. This…

The vehicle was no longer able to charge, and therefore could be stranded. Yes, the vehicle is currently back at the dealership and available for inspection. Without ability to charge, the vehicle could shutdown and not be able to restart. Yes. It was at the dealer from 6/27 to 8/20 and then the issue re-exhibited on 9/3 and it was returned to the dealership. Yes, it was reviewed by the dealership and returned, only to happen again within 100 miles. Yes, the Service Engine Soon light appears.

The super cruise self driving system is entirely defective and faulty, this is a safety issue.

On August 11, 2025, at about 2:52pm, my vehicle was at a complete stop at an intersection awaiting the traffic light to turn green. There was a slight downgrade slope towards the intersection. The vehicle one-pedal driving was enabled. Weather was sunny with no wind or rain. Suddenly, the vehicle started vibrating violently and started rolling into the intersection. I pressed on the brake pedal but the vehicle continued to vibrate and the vehicle rolled into the middle of the adjoining lane of…

The contact owns a 2025 GMC Hummer EV. The contact stated while driving at an undisclosed speed, the message Forward Collision Avoidance System Unavailable was displayed. The contact stated while another vehicle pulled in front of the contact's vehicle, the forward collision avoidance system and the side-view sensors safety features failed to engage. The vehicle was taken to the dealer, but was not diagnosed due to a schedule error. The diagnostic testing appointment was rescheduled for a later…

On [XXX], my [XXX] son was riding in the back seat of our 2025 GMC Hummer EV (VIN: [XXX] ) and reported his seatbelt felt loose. I pulled over and discovered the seatbelt bracket was completely detached from the vehicle frame. The bolt was present, but the nut that secures the bracket was entirely missing, leaving the belt nonfunctional and my child at risk of serious injury or death in the event of a collision. This is a catastrophic failure of a federally regulated safety system. I…

The contact owns a 2025 GMC Hummer EV. The contact stated that while the vehicle was stationary, the brake pedal was depressed, and several unknown warning lights illuminated. The contact stated that while the vehicle was idling for several minutes, several unknown warning lights illuminated. The vehicle was then taken to a dealer where it was inspected by an engineer who stated that the system was extremely sensitive, and the dealer stated there was no additional assistance that could be…