GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 Regal 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Theft Deterrent System Schematics
Figure 1:

Alarm
Object Number: 2180159 Size: FS
Figure 2:

Alarm
Object Number: 2180160 Size: FS