Buick Lucerne battery draining issue despite new brake pads on Buick Lucerne

Some Buick Lucerne owners report experiencing battery drain issues that persist even after installing new brake pads, indicating that the problem may not be directly related to the brake replacement. These owners have noted that factors such as a faulty alternator, parasitic drain from components like the OnStar system, and various electrical issues can contribute to the battery drain. Additionally, some have found it essential to conduct a thorough inspection of the electrical system to identify faulty wiring or components that may be causing the problem. For those facing ongoing battery drain despite new brake pads, seeking a professional diagnosis from a mechanic or dealership familiar with Buick Lucerne vehicles is often recommended to pinpoint and resolve the underlying cause.