Vehicle starts on it own. Two incidents where it has started without any commands / activation on fobs
Engine & cooling
2025 Buick Envista Engine problems
Owners have filed 6 complaints about the 2025 Buick Envista's engine & cooling with NHTSA - 18% of all its complaints, most recently on September 16, 2026. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.
- Complaints
- 6
- Recalls
- 0
- Crashes
- 0
- Fires
- 0
- Injuries
- 0
- Deaths
- 0
Engine complaints
The contact owns a 2025 Buick Envista. The contact stated that the check engine warning light was illuminated. While driving at an undisclosed speed and depressing the brake pedal, the vehicle jerked abnormally before coming to a complete stop. The failure also occurred while attempting to accelerate after stopping at a stop light or a stop sign. The were abnormal grinding sounds intermittently coming from the vehicle while driving at various speeds. The infotainment center also overheated and blacked out...
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intermittently. The vehicle was taken to the dealer, who diagnosed that the sensor was moist after the vehicle had been on the lot for a while. The vehicle was not repaired. The failures persisted. The manufacturer was not informed of the failure. The failure mileage was approximately 700. The VIN was not available.
See attached document for complaint.
The contact owns a 2025 Buick Envista. The contact stated that while driving at an undisclosed speed downhill, the vehicle started to shake abnormally. The contact stated that the check engine warning light was illuminated. The local dealer was contacted, but the vehicle was not diagnosed or repaired. The contact stated that the vehicle remained with the local dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 400.
I purchased the vehicle on 12/21/24, and I now have a check engine light with a code related to "The Engine and Transmission System is not performing as expected. An issue has been detected in the Fuel Management System used to maintain, control, and monitor fuel consumption." I am not sure if my safety is at risk as the service center cannot currently schedule a service appointment to confirm the issue.
The contact owns a 2025 Buick Envista. The contact stated that while driving at unknown speeds, the speedometer gauge went blank. While driving at an undisclosed speed, the vehicle shut off. The speedometer started flashing, and the MPH changed. The contact stated that 71 MPH was displayed on the speedometer and continued to flash and increase. There were no warning lights illuminated. The vehicle was taken to the local dealer, where the system was upgraded. The vehicle was repaired, but the failure recurred. The...
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vehicle was taken to another local dealer, Ferguson Buick GMC (1601 N Elm Pl., Broken Arrow, OK 74012); where it was determined that a factory reset was needed. The vehicle was repaired, but the failure persisted. The dealer suggested that the vehicle be taken to another location. While driving at an undisclosed speed, the speedometer became inoperable for five minutes. The instrument panel was blank. The manufacturer was contacted, and opened a case, but no additional assistance was provided. The failure mileage was approximately 250.
Buick Envista engine complaints by year
Envista engine problems, every yearSource: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data