WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Headlamps Always On - Low or High Beam (Steps 1 - 7)
Courtesy of GENERAL MOTORS CORP.
Fig 2: Headlamps Always On - Low or High Beam (Steps 8 - 18)
Courtesy of GENERAL MOTORS CORP.
Fig 3: Headlamps Always On - Low or High Beam (Steps 19 - 21)