GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2008 🢒 Terraza Ext. 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Power Moding Schematics
Figure 1:

RAP Modes
Object Number: 1921943 Size: FS
Master Electrical Component List
Retained Accessory Power (RAP) Description and Operation
Control Module References
Ignition Modes
Figure 2:

Ignition Modes
Object Number: 1923037 Size: FS