Buick Enclave

Driving at 30mph and all the dashboard lights turned on and all the warnings kept popping on the dashboard and 30 seconds later the brakes were not working when I was approaching a busy intersection. I was able to pump the brakes and stop the vehicle and put it in park and the vehicle shut off and nothing would work - not even the hazard lights. The vehicle is currently at the dealership being assessed.

The contact owns a 2018 Buick Enclave. The contact stated that while driving at various speeds, the vehicle shut off and failed to restart. The vehicle was towed to the dealer, where the alternator was replaced 4 times before the dealer diagnosed that the failure was due to oil leaking onto the alternator and the battery. The contact stated that the alternator had been replaced 6 times in total. Additionally, the contact stated while pulling out of the parking lot and onto the road, the vehicle…

I was driving and a variety of failure warnings popped up on my screen along with a total brake failure, unable to stop, had to coast until the vehicle was no longer moving. No accident resulted, but it could have been very serious. Mechanics diagnosed it as a loose battery cable.

I am submitting a complaint regarding premature exhaust system failure on my 2020 Buick Enclave involving the front exhaust pipe/exhaust manifold/catalytic converter assembly. The issue appears very similar to the conditions described in GM Special Coverage programs N212356540 and N242445280 involving exhaust pipe and bracket failures on related GM crossover platforms. The mounting brackets/support brackets on the front exhaust pipe appear to fail or separate, which places excessive stress on…

The Automatic Emergency Braking (AEB) system activates unexpectedly and dangerously. Incident 1 5/7/2026: While driving approximately 2 mph in a drive-thru and rounding a curve, the vehicle suddenly applied full braking without warning. The braking force was severe enough that I struck my face on the steering wheel and my child was thrown forward in a secured car seat. Incident 2 5/19/2026: While merging onto a busy road behind a semi truck, the vehicle again applied sudden hard braking after I…

While driving, the vehicle suddenly and without warning experienced a severe, dangerous loss of acceleration. The dashboard immediately displayed a Reduced Engine Power warning message along with a Service StabiliTrak light, forcing the vehicle into an immediate electronic fail-safe limp mode. This sudden, drastic reduction in engine power severely restricts the vehicle's ability to maintain safe roadway speeds, accelerate from a stop, or merge safely into traffic, posing an immediate rear-end…

We keep getting notifications that our 16 yr/old daughters car has an airbag safety recall with communication on it about how quick and easy it is to have the airbag recall repaired but it is ALL LIES! We have been waiting almost 1 year and the dealerships still can't get a replacement airbag from the manufacturer 's to do said replacement. This is insane and unethical. They are playing with people's lives knowing full well that the average consumer can't fix this or just go buy a new car. I…

The brakes make a squealing noise when backing up and this has been reported on many 2025 enclaves. There is also a repeated clicking noise after turning the vehicle off.

After two transmission flushes and being told by a Buick dealership's service technicians that nothing is wrong with the vechile's transmission, it has now failed completely at ~90k miles.

Leaking flex pipe on the exhaust causing undue rattling and possible exhaust fumes entering the passenger cabin.