WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
Raise and support the vehicle.
Remove the front fascia deflector bolts.
Fig 1: Identifying Front Fascia Deflector Bolts
Courtesy of GENERAL MOTORS CORP.
Remove the front fascia deflector from the vehicle.