Originally Posted by goregasm
Update: bringing it in soon.
Over the last few weeks it seems like it's gotten stuck in a high RPM range several more times. I'll leave my foot off the accelerator for half a mile and the RPM will stick at 3k+ RPM. And I've had the same problem as in OP once or twice as well.
I wouldn't mess around with it at all, the car should go to the dealership right away.