Control module: software
Risk. A loss of power brake assist can extend the distance required to stop the vehicle, increasing the risk of a crash.
NHTSA has logged 2 owner complaints about the 2020 Buick Regal, most often about the electrical system. It is covered by 1 safety recall, and for recall 22V-465 the manufacturer reports only 78% of affected cars repaired.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through May 15, 2023. Updated daily. Photo: AJM STUDIOS, CC BY-SA 2.0.
2 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Electrical system | 1 | 0 |
| Tires | 1 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
Risk. A loss of power brake assist can extend the distance required to stop the vehicle, increasing the risk of a crash.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Buick.
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Regal median. How we score
2020 Buick Regal 5 HB FWD in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.
Recent electrical system complaints filed with NHTSA, shortened. Personal details are removed.
Proximity door unlock system rarely works goes in and out even with key fob in pocket and within Proximity. I've reported the problem to buick/Chevrolet many times, changed fob batteries and etc with no fix
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.