Hey Guy's, Today i did the same thing to me 4 times, the cars is running and i looks like the car try to start again so the relay clicks on again ( so all the lights in the dash goes on and back off and every thing else open in the car ), put to power off, i jiggle the Key left and right to see the right where the start is it does it, and my friend at the dealer told me the same thing this a the haft for the key the problem.
i goes got the XK two weeks ago to i got 30 days warranty. there problem.
I'll let you know on the updates.
Pride Owner - 2006 Jeep Commander 5.7 HEMI