GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 LaCrosse 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Interior Lights Schematics
Figure 1:

Lamp Controls
Object Number: 2081182 Size: FS
Figure 2:

Courtesy Lamps
Object Number: 2081187 Size: FS
Figure 3:

Overhead Lighting
Object Number: 2081200 Size: FS