this is directly from Michelin. I ran across this question a couple weeks ago, so i emailed them. they say no rotation...

Mark:

Thank you for visiting our Web site and sending us your e-mail.

The Pilot Sport PS2's that are on your Chrysler Crossfire are directional tires that have an asymmetrical tread pattern and can not be rotated side to side. You will not be able to rotate tires on this vehicle.

If you have additional questions, please respond to this email
or you may call us at 1-800-847-3435 (toll-free) between
8:30AM and 6:00PM Eastern Time Monday through Friday to allow
one of our Consumer Relations Representatives to assist you.

Michelin North America
Consumer Relations Department

(Please Do Not Delete the line below.)
Email ID: 1142412