GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 Lucerne 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Cruise Control Schematics
Figure 1:

ON/OFF Switch
Object Number: 2081268 Size: FS
Figure 2:

Indicators
Object Number: 2081270 Size: FS