Originally Posted by wstar

If you're not using manual mode, eh, who knows what gear you were in or when it decides to downshift for you. It's hard to complain about D-mode much. The car can't predict, only you can. Put it in M-mode and ride the revs down into the corner and downshift to keep them in the happy range (downshift as you're braking and you should already be in the right gear to accelerate out when the time comes).

"No lights on" I assume means nothing unusual on the dash, and you did have VDC engaged (the default on startup). VDC will interfere with any aggressive U-turn attempt...

ETA: However, I take no responsibility for you listening to me and wrecking. It's up to you to drive the car correctly