WARNING: This page is about a different car, the 2006 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Bumper-Hood Adjustment
Courtesy of DAIMLERCHRYSLER CORP.
Open and support the hood.
Unscrew the adjustment bumper(s) (1) from the mounting hole(s) in the top of the upper radiator support (2).