I just got my Volt back after having the battery enhancement thing done. My clock was wrong, but that's the only thing I noticed. If my car lost the time, why did I not lose my radio presets? I thought that was strange. I'm not completely happy with the dealer though. They didn't seem to know anything about replacing the charger. I was told they would check and let me know...haven't heard anything yet. And I mentioned when I took it in last week that the breaks were squeaking on one wheel, and that there is a rattle coming from the front wheels when I stop and get out of the car. Apparently they didn't touch either of these things because they're still both happening. So...it's looking like I have to make yet another trip to the dealer. And I bet they're not going to want to give me a loaner car this time since they just rented one for me over the weekend.