1. The components that failed were the transmission because the vehicle was driving and continued to slow down until it came to a complete stop gradually, and had to be pushed home. And also, there was an issue with the doors unlocking on their own and all windows rolling down by themselves. 2. The safety risk was the issues that happened without any knowledge of any issues at all with the vehicle. And the vehicle could have stopped on the highway, and another vehicle could have run into it, and it could have been a very bad incident. And with the doors unlocking and the windows rolling on their own could be exposed to unsafe environments and possibly theft of the vehicle or harm to the occupants. 3. Had a scan done, which showed the issues that were going on with the vehicle 4. I haven't had a chance to have it taken to the manufacturer because it broke down, and I was waiting for some help to get these issues repaired from the manufacturer. And needed from ACC. 5. There wasn't no indicators or lights on when this happened? I was told by a coworker about the windows being down, and with further investigations, I found the doors were unlocked as well, which was done automatically without my control.

- Blytheville, AR, USA

I purchased my truck in December 2018 which is a 2018 Chevrolet Silverado 1500 4x4 crew cab automatic from Servco Chevrolet Dealership in Waipahu, Hawaii and making monthly payments for my truck February of 2019 truck runs good and purchased the warranty also had my oil and service changed when time is due which I always kept up. [XXX] and mileage was 40k while leaving work to go home at a stop light was red once turned green I pushed pedal to go and truck just changed noise tone started to run like rough idle, loud tapping noise coming from the engine, shaking and check engine light came on almost causing me to get into an accident. I pulled on the side and checked what was going on and heard the tapping noise from the motor. So I made an appointment with service department with Servco Chevrolet Dealership where i bought my truck from and spoke with the service tech for my truck to go in for repairs due to issue. It took 2 to 3 weeks for repairs to be complete and service tech informed me that I'm not the only person to have that issue which had to do with the lifters and camshaft with these motors but GM never came out with any recalls due to how much people has the same motors with the same issue. So luckily it was still covered under warranty but said the problem might come back and would just replace the faulty lifters and camshaft. So in August of 2023 my truck has the same issue but wasn't covered under warranty anymore and mileage is 61k and missed the warranty repairs that was for the lifters which I got it scanned cause check engine light and same issue and code was P0016. So I called Servco Chevrolet dealership in waipahu again and spoke with the service technician which he told me I just missed the coverage of the warranty repair and only way to get it fixed I would have to bring it back for them to scan and roughly would range from 4k to 8k to get it fixed. So my truck is parked in my garage and hasn't been moved but paying for truck. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT

- Haleiwa, HI, USA

10 miles from home on [XXX] after Thanksgiving with my children sleeping at [XXX] in snowy cold weather, my engine began to fail. Power was limited on hills and the check engine light would come on and go back off when on flat or downhill. The next morning I took my truck to the dealer that I purchased it from where I was told the lifters had failed and I need a new engine. 1000 miles after I replaced my engine my transmission failed completely requiring a transmission replacement. Immediately upon picking up the vehicle and going down a long hill in the area, engine breaking turned on as expected but as the truck tried to slow itself, after 2 or 3 downshifts, the transmission began making a loud grinding sound and while still going close to 50 MPH, the speedometer showed 10-15 MPH and the tach dropped to idle. The transmission was decoupled from the motor. When gas was reapplied it seemed to make the connection again and resume normal driving. I called the dealership whose techs did not believe me and told me that I could 'turn off' the engine breaking feature. The situation continued to worsen each drive and it would do it more often. This was unacceptable and they finally had a tech ride with me to experience it and immediately agreed there was an issue and reordered another transmission. The third transmission did not fix the issue and was experienced immediately. They are now guessing how to fix the issue telling me I have to replace the transfer case out of my pocket with no diagnosis, not sure what is causing it and have not fixed the problem. Videos would not fit in upload due to size. Videos show speedometer failure. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

- Franklin, PA, USA

The contact owns a 2018 Chevrolet Silverado 1500. The contact stated while driving at an undisclosed speed, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. The contact stated that the engine sounded abnormally rough, with a knocking sound coming from the engine. In addition, several unknown warning lights were illuminated. The contact stated that the vehicle lost motive power and was pulled over to the shoulder of the roadway. The vehicle was restarted; however, the failure reoccurred. The vehicle was towed to the dealer where it was diagnosed with failed lifters. The contact was informed that the lifters needed to be replaced. The vehicle was repaired; however, the failure reoccurred. The manufacturer was not made aware of the failure. The failure mileage was approximately 60,000.

- Holly Springs, MS, USA

Vehicle shuts off while driving in traffic at low and high speeds stabilitrak service light comes on and the vehicle dash goes dark Radio and temp control panel go dark/ black

- Streamwood, IL, USA

P1. On or about Feb 9, Power Train transmission, Modular-??s. While traveling about 40mph the truck shifted suddenly to low gear, and the water pump blew resulting in steam or smoke from engine hood. Automatic shifting was not possible, after slowing to 5-10 mph check if mauls shifting was an option. All gears L1 L2-??were replaced with -??L-??. P2 March 2023 to presented 2024, the vehicle will vibrate and shake. More like a shimming. This happens what seems to be every.5 to 1.0 mile. P3 March 2023 The Transmission issue listed in para 1 happen exactly as describe above. Except the water pump was fine. On or about June 2021 The Transmission issue listed in para 3 happen exactly as describe above. I TOOK TRUCK TO HENDERSON CHEVROLET in Henderson, NV and reported the transmission sudden shift to low AND how the truck slams into gear when leaving a stop sign light. It feels like someone hit the back of the truck. Jerks forward. Service RESULT: that-??s normal for the truck. October 2019, took truck to back to Circle Chevy / Hyundai in Shrewsbury NJ regarding the slamming and jerky transmission. RESULT: it-??s normal or it didn-??t do it while in service road test. I just bought the truck 1 month earlier from CIRCLE CHEVY of SHREWSBURY NJ. Regarding the most recent trans issue of Feb 2024, the power train went out of warranty in August. The issues should have been fixed when odometer was between 000064 to 60000 or Aug 2024. This truck is unsafe and sudden shift to low gear can cause the truck to get into accident

- Henderson , NV, USA

While driving on the highway the vehicle began to shake and the stability track light came on. It felt like it affected the transmission. We had to get it towed 30 miles to our home area. Shop Calibrated the brakes and says that took care of it. This vehicle only has 30,000 miles on it.

- Grapevine, TX, USA

When entering traffic, upon acceleration the truck stalls, and shutters. Going into traffic a vehicle had to maneuver to avoid collision with me. I took it to the dealer and they said transmission should get a flush and transmission oil was low. At 60,000 and out of warranty I paid for service and they said it was good now. it still continues. I can-??t afford to take it in for service and pay again. From searching online customers state the dealer representatives all say it-??s normal for truck to do that. Also, others say transmission (6l80) and/or torque converter is the problem. Again being without warranty I cannot afford to take it in and pay to just get that -??it-??s normal for the vehicle to do that.-?? A vehicle that stalls IS a hazard for the driver and for others on the road. Especially entering highways and heavy traffic streets. The main reason is we never know when it will stall or when it will accelerate what I believe is properly.

- Pico Rivera, CA, USA

Started vehicle and engine diagnostic displayed that the anti-lock braking system needs to be service, the power steering system needs to be serviced, parking assist needs to be serviced. This issued occurred one other time and a module needed to be replaced. This is the second time this has occurred in a year.

- Sweeny, TX, USA

ABS (trailer braking system) and stabitrak warning lights randomly come on while driving and remain on until vehicle turns off. On multiple occasions the rear wheels have locked and steering becomes difficult even when brakes are not being applied. This has occurred while driving at varying speeds and in varying weather conditions. Vehicle has been checked by dealer on 3 separate occasions for this and service was reported unable once lights have gone off. Said incident has occurred approximately 30-50 times over the past 18months.

- Chicago, IL, USA

This vehicle since I bought it, already had symptoms but they were minor, now the problem is bigger, the transmission does not have enough torque the vehicle loses strength and does not advance when you push the accelerator

- South San Francisco, CA, USA

Cruise control (speed) is not working, was but has quit

- Boerne, TX, USA

I was traveling South on I65 in Tennessee, with the cruise control set at 76mph. I was near mile marker 27 on a steep incline when a car moved in front of me causing me to tap the brake to come off cruise control and slow down. When the car merged right, clearing my path, I touched the resume button to reach-engage the cruise control. I immediately felt the overdrive kick in, which seemed normal because I was going up hill, but it just went crazy. The engine raced to nearly 5000rpm, and I was going over 100mph with no ability to stop it. I turned off the cruise control using the steering wheel button, and it had no affect. I stepped on the brake, it had no affect. So I moved to the shoulder to avoid traffic, and I stepped on the brake harder. I saw the speedometer react, so I pressed the brake as hard as possible and managed to get it stopped and in park. The engine was still screaming at nearly 5000rpm, so I turned the key off. After 30 minutes, I started it, it ran fine, and I was able to complete my drive to pensacola without further incident. A truly terrifying experience. Thank you.

- Pensacola, FL, USA

2018 Chevrolet 1500. Consumer writes in regards to blind spots on passenger side mirror as well as slow acceleration.

- Las Vegas, NV, USA