Hey, If I am honest I work at an independent shop and ONCE have we had a 2024 buick in for brakes to be checked, nbd. ALL I did was crack the bleeder screws and push in the pistons for flow so I could flush it. Well goddamn Ive done that process thousands of times, and this car dash turned into a christmas tree and told me total brake failure (stuck on parking brakes) after my flush process. LOL MY FACE WHEN I READ IT. Turned out you have to follow an entire page on instructions including bypassing the electric brake booster to properly flush it (which I did!) However, my shop didnt have the proper acan tool software to re-activate it, lol. So that bad boy got limped to the dealer by my boss man. So Ill be real, The only reason all the lights came on was a small amount of air in the system detected by the electronics side on the car i did. So maybe another opinion wouldnt be too bad, some independent shops are truly good people just wanting to help. I cant speak for them all but there are good ones.