Buick Regal: Service brakes — software

Affects Buick Regal · 2018–2020 — about 24K vehicles.

The hazard

A loss of power brake assist can extend the distance required to stop the vehicle, increasing the risk of a crash.

What to do

Dealers will update the EBCM software, free of charge. Interim owner notification letters advising owners of the safety risk were mailed on August 19, 2022. Owner notification letters were mailed September 16, 2022. Owners may contact Buick's customer service at 1-800-521-7300.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational