Took ours to the dealer for a "checkup" after we bought it. They performed a couple of updates to some modules, but the shifting is still not as I'd like. I just shift manually. It clunks, shudders, upshifts too soon, etc. But, I just figure it's part of the package, so I learn to workk around it. I just keep driving it until I can duplicate the issues before I take it in again.