GM Kills Ironhide

According to Jalopnik, the GM Topkick which is the alt mode of Ironhide, is being discontinued.

GM Statement Regarding Wind Down Of Medium Duty Truck Production

After four years of working with multiple potential buyers, General Motors has decided to wind-down its medium-duty truck operations. Production of the Chevy Kodiak and GMC Topkick medium duty trucks will cease by July 31, 2009.

That cannot be good news for Ironhide's continued survival in the third movie.