My car is a 2010 Jetta diesel, and I brought it into Gensinger's for the diesel modification and an 80,000 mile checkup. The entire process went very smoothly. The loaner car (because of the modification) was waiting for me, and perhaps the best part was that Brian did a little research and found out that a part I needed that would have cost a couple thousand dollars was covered under the original warranty. Thus, the part was replaced, at minimal cost, and the diesel modification was done, all in one day. I realty appreciated Brian's efforts in researching the warranty coverage, and saving me a substantial sum. I'm very happy to recommend Gensinger's service department.