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Purchased a new P500 last Friday. I took it home and drove it around on the street for a while (about 10 miles) and it seemed to be shifting a little rough. It also took a couple cranks for it to start. I didn't think anything was really wrong but I wanted to make sure so I took it back to the dealer. The tech drove it around and agreed that it didn't seem to be as smooth as it should be so he asked that I leave it. They checked it out and said there was a code for the angle sensor. I thought that would have set a check engine light, but it didn't. Anyways, they replace it and it now starts right up and shifts perfect. Just thought I would share incase anyone else has the same issues.