Buick
Enclave

Problem: The back hatch or trunk door pops open randomly on its own, many times a day. In a parking lot once. It hasn't happened while I've been driving. Safety issue because if it were to open while in public and a person wasn't in the vehicle, then anyone could enter the vehicle and theft could occur. Yes, the vehicle is available for inspection. A service center confirmed that it's the switch in the back hatch. No, the vehicle hasn't been inspected by manufacturer, police, or insurance. No, there haven't been any warning lights with this issue.

The catalytic converter has been replaced 3 times. The flex pipes has been repaired and replaced 4 times and the exhaust pipes has been welded on 5 times. The back tail pipe fail off while driving and had to be welded. The exhaust on this vehicle has given me many problems.

The contact owns a 2021 Buick Enclave. The contact stated while driving at an undisclosed speed, the tailgate latch independently unlocked. The contact stated the failure had occurred several times. The vehicle was not diagnosed or repaired by an independent mechanic or the dealer. The vehicle was scheduled for an inspection and diagnostic testing. The manufacturer was made aware of the failure but provided no assistance. The failure mileage was approximately 39,700.

The contact owns a 2021 Buick Enclave. The contact stated that the door locks intermittently failed to operate as needed. The contact stated that the doors had failed to lock and unlock as needed. The contact stated that the failure mostly occurred after it had rained. The contact related the failure to the Manufacturer's Communication Number: 10211091. The dealer was notified of the failure and provided a cost for the diagnostic test and repair. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure, but no assistance was provided. The failure mileage was approximately 62,188.

Power Liftgate was functioning erratically and now it won't open at all. Currently there is no way to manually open the liftgate or access the rear of the vehicle without climbing through the vehicle to get to the trunk area. Electrical switches on inside, exterior of vehicle nor the keyfob will open the liftgate. Previously the liftgate opened on its own at unintended times and now it has simply quit working. Safety issue was when it was opening while driving. It is not currently doing this since it won't work anymore. Complete Failure happened around 54K miles.

Catalytic converter was defective in October 2022. Had to wait to get part in. Vehicle taken to dealer for repair in December 2022/ Told that the second catalytic converter needed to be repaired. I stated that I was not aware that cars had two catalytic converters. Parts were ordered and replaced. Engine light came back on-again October 15, 2024. Portable CO detector in car was beeping when engine around time engine light came on. Not covered by warranty or insurance. A new car with 55, 000 miles to date should not have these issues.

The rear switch on our tailgate has failed and it allows the tailgate to open/close randomly on its own while the vehicle is locked even. I contacted Buick about the problem and they said didn’t care, but this can happen while the vehicle is moving down the road as well as when parked. It’s not necessarily a typical safety issue that are normally recalled for, but it does pose significant safety issues if you want your car to be locked and you come back from the store and it’s not and people are free to break it or if it were to happen while moving. We had this happen on our car at around 38,000 miles. From reading other Buick forums to try and figure out what the cause is, it sounds like it’s a somewhat common occurrence. It’s alarming that it can open while the vehicle is locked.

Passenger seat belt doesn't always work. Has to click several times