GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 Regal 🢒 Driver Information and Entertainment 🢒 Displays and Gages 🢒 Driver Information System Schematics
Figure 1:

Display Infotainment (TID_GID)
Object Number: 2179913 Size: FS
Figure 2:

Display Infotainment (CID)
Object Number: 2179919 Size: FS