complaints.title

When backing out of a parking spot of a store , I went to stop and pressing on the brakes nothing happened and I kept rolling backwards. I looked down to confirm I was pressing the brakes and my foot …

Brake module malfunction Codes: “service ESC” “break assist failure. Press hard to break. Speed limited”

Telematic Modular Control is not working properly and part is on backorder. Dealership and GMC have refused to put into writing that my vehicle is safe to drive; however, they are refusing rental vehi…

I got into my car to leave, I placed my phone on the wireless charging pad. When I got to my location about 10 minutes later, I grabbed my phone and went to put the wrist band attached to my phone aro…

The master cylinder failed under 10,000 miles. I was at 5000 miles. I am reading a lot of people have had issues with the master cylinder in the 2024 early 2025 models. Luckily I was in the driveway b…

We filled a report on 04/04/2026 with NHTSA at 12:16 pm but can't find a copy of the whole report. My husband John Chandler was driving our 2025 GMC Avadia Elevation. He was backing out of a parking …

While backing out of a parking place my husband noticed he couldn't stop the 2025 Acadia and almost hit restraunt behind us, while pusing on the break. He then started to go forward and kept saying "I…

The vehicle has a serious transmission/drivetrain defect that repeatedly occurs when accelerating from a complete stop, especially onto an incline. The vehicle sometimes does not respond at all when t…

I purchased my 2025 GMC Acadia on March 26, 2025. // My vehicle began to have electrical/communication/system issues in August 2025. // I took my vehicle to the dealer to address these issues at this …

Automatic brake engaged unnecessarily/ unexpectedly while driving forward at a low speed. There was no reason for the brake to engage. There were no objects or people infont of us. This has happened …

The contact owns a 2025 GMC Acadia. The contact stated that while driving 35 MPH at nighttime, there was an abnormally loud explosion and the contact became aware that the sunroof had exploded unexpec…

2/10/26. Driving down the highway behind a truck and horse trailer at 60 mph, electric brake system stopped working, couldn't stop, a turn lane saved me from rear ending the horse trailer. I thought …

The vehicle experiences a transmission/drivetrain defect involving delayed gear engagement, hesitation, and apparent slipping. When accelerating from a complete stop (especially onto an incline) the e…

Warning message appeared stating "service brake assist" and "service ESC". Took vehicle to dealer, they found faulty Master Cylinder. Multiple parts involved, some on back order, could take weeks to a…

OnStar/Telematics Module cuts out, rending GPS and OnStar functions useless

Unknown. Brakes still squeaking after getting them changed with the bulletin notice. Engine surges and idles rough- dealership could not diagnose. Not accelerating randomly, pedal goes in and it does …

I accidentally ran out of gas and my car died directly underneath a railroad crossing arm. I had been stopped to allow an Amtrak train to go by and my car died when I started to move forward after it …

New vehicle. At 935 miles on odometer, displayed “Service Power Steering” “No Assist Soon” message on dash. Contacted OnStar and was advised of potential loss of power steering & advised to t…

I was driving on a two-lane road when unexpectedly my front moonroof spontaneously shattered sending glass down on top of me, the console area, and the passenger and rear seating areas of my 2025 GMC …

Brakes have failed now three separate times. The brake pedal becomes firm and the car will not stop or slow at all. I am pregnant and also had my toddler in the car with me. No warning symbols on the …