GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 Regal 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Wiper/Washer Schematics
Figure 1:

Heated Wash
Object Number: 2179854 Size: FS
Figure 2:

Front Wiper
Object Number: 2179855 Size: FS
Figure 3:

Rain Sensor
Object Number: 2179856 Size: FS
Figure 4:

Washer System
Object Number: 2179858 Size: FS