2011 model year vehicles will require a GF-5 rated motor oil, most distributors will be moving from GF-4 to GF-5 by fall (within 6 months....where is '10 going?!?)
Here's a link with info...
http://www.gf-5.com/the_story/why_gf_5/
Here's a link with info...
http://www.gf-5.com/the_story/why_gf_5/