WARNING: This page is about a different car, the 2007 Cadillac XLR. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: View Of Front Engine Compartment Components
Courtesy of GENERAL MOTORS CORP.
Callout
Component Name
1
Cooling Fan Motor
2
Fan Control Module
Fig 2: Locating Coolant Level Switch - Left Side Of Engine Compartment