after some engine maintenance. They messed with the car for three days, then sold me a rebuilt ECU ($1400) that I did not need, as it turned out to not be the problem, then when the replacement ECU didn't make any difference they then decided we needed a replacement crankshaft position sensor. It was then that I fired them. I had previously tested the sensor and found it to be working. I told them this in writing when the car was delivered to them. After a week and a bill for over $2700 I had the car towed back to my house, still not running. Turns out the serpentine belt ($25) was worn out causing the alternator to provide insufficient power to keep the ECU alive. So, after their "experts" wasted a week of my time and over $2700 I had to fix it myself by replacing the belt. There was absolutely no service provided, and I am out the towing charges to move the vehicle to and from this dealer. Management made no effort to make this right, Barring satisfactory resolution through the BBB, I will have to resort to litigation. Mister Good wrench does NOT work at Arrowhead Cadillac service department, they have absolutely no technical talent, they would never have been able to diagnose this very simple problem. Josh S. You embarrass yourself and your company with your "copy and pasted" response to all of the unfavorable reviews regarding your service department. I have already wasted thirty minutes of my life discussing this matter with your general manager, Mr. Michael Mewees, when I had the vehicle removed from your facility in January. Mr. Mewees at that time said he would discuss this matter with his service staff so I have to assume Robyn Schluter is fully aware of the situation. Mr. Mewees had an opportunity in January to set things right, but declined. This matter has been referred the appropriate agencies, and now that other the agencies are involved; we need not discuss this matter any further with you or your team. Have a nice day
— William S.