WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Remove the bolts that retain the radiator support diagonal brace to the radiator support.
Remove the radiator support diagonal brace from the vehicle.
Fig 1: Removing Radiator Support Diagonal Brace From Vehicle