2020 GMC Acadia SLT FWD V6
No doubt there are some good techs out there, but they are so hard to find. While they are limited to what they can or cant do, it should not take 3 dealer visits to find a problem when it clearly exists. The only time a dealer will find the problem immediately, fix it, and make you very happy is if YOU are paying. But if its warranty, NPF.