Posts Tagged: Parking Brake Service Mode

How to Put the Parking Brake in Service Mode

How to Put the Parking Brake in Service Mode on 2021–2023 GM Trucks and SUVs As an experienced technician, I know the importance of putting late-model GM trucks and SUVs into parking brake service mode before working on the rear brakes. This is an often-overlooked step when doing a brake job on 2021 to 2023 GM vehicles, and skipping this step can seriously damage the electronic rear calipers. Service procedures change rapidly, and these newer GM models demand careful attention to official procedures. One of the most important? Activating the … Read More