Here's a blurb from ADWEEK:

Chrysler Inks Placement Deal with NBC's "The Apprentice"

The Chrysler Group will be the exclusive automotive sponsor of [the show]. The package...also includes a web presence and mentions in promotional spots for the show, which premiers Thursday. Chrysler's PT Cruiser, Crossfire, and the forthcoming 300C sedan will receive placement on the show, and one of the vehicles will be used in a final task given to competitors.