This is a great service in that I was able to get my battery replaced within a matter of hours right outside my home. However, the technician that was dispatched did not test my battery and didn't seem to know what I was talking about when I asked him about it. He responded that he was only told to replace the battery. He also had no clue what I was talking about when I asked him about a process that I was told would be done so that my car wouldn't give me a thousand error messages until I could have the battery programmed later. He popped the old one out, installed the new one and said goodbye in a matter of minutes. I can say that he was efficient. Car is running. I'll just never know if I actually needed my battery replaced.