WARNING: This page is about a different car, the 2003 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Component Location - Center Front Of Passenger Compartment, In Front Of Overhead Console
Courtesy of GENERAL MOTORS CORP.
Fig 2: Component Location - Right Side Of Engine Compartment, On Lower Part Of Windshield Washer Reservoir
Courtesy of GENERAL MOTORS CORP.
Fig 3: Component Location - Right Rear Of Engine Compartment, Neat Strut Tower
Courtesy of GENERAL MOTORS CORP.
Fig 4: Component Location - Under Left Side Of Instrument Panel