GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2008 🢒 Lucerne 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Automatic Level Control Schematics
Figure 1:

FE1, FE3, F41
Object Number: 1886358 Size: FS
Master Electrical Component List
Automatic Level Control Description and Operation (W/O F55)
Control Module References
F55
Figure 2:

F55
Object Number: 1886363 Size: FS
Master Electrical Component List
Automatic Level Control Description and Operation (With F55)
Control Module References
FE1, FE3, F41